{"title":"Bison 3 Jaw Scroll Chucks","description":"\u003cp\u003eBison self-centring 3 jaw scroll chucks in cast iron and steel bodies, with 1-piece or 2-piece jaws, for rear mount, front mount and camlock spindles. The 32-- series is cast iron and the 35-- series is steel.\u003c\/p\u003e\u003cp\u003eAll held in UK stock. Order before 4.30pm for same-day dispatch, or call our technical team on 01732 887334 for help choosing.\u003c\/p\u003e","products":[{"product_id":"3204-80","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 80mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3204 series rear-mount, 3-jaw cast iron scroll chuck delivers secure, centered workholding for metal turning. With a compact 80 mm size, it’s well suited for a wide range of lathes and projects, from precision parts to hobbyist fabrications.\n\u003c\/p\u003e \u003cp\u003e\nBuilt for durability, this chuck features ground working surfaces for repeatable grip and smooth operation. It ships with a wrench and jaw options tailored for versatile parts, including reversible hard jaws and outside hard jaws, so you can quickly switch setups without changing tools.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRear‑mount design for quick tooling\u003c\/b\u003e: enables reliable mounting on compatible lathes with precise alignment, reducing setup time and improving uptime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces for repeatable grip\u003c\/b\u003e: machined, smooth contact faces ensure accurate and repeatable clamping for consistent runout control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComprehensive jaw kits with wrench\u003c\/b\u003e: includes reversible hard jaws and outside hard jaws plus a wrench, giving you the right grip for a range of part shapes without buying extras.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWith solid cast iron construction and precision-ground surfaces, this 3‑jaw scroll chuck delivers dependable clamping force, long service life, and consistent results across jobs. The 80 mm size provides a versatile window for holding common small to medium workpieces, while the open jaw design makes part loading straightforward. When you need quick chuck changes, predictable gripping, and durable performance, this Bison chuck helps your workflow stay on track, reducing setup time and improving part quality.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282875953230,"sku":"3204-80","price":412.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_340bd84c-f47a-4721-ae73-4fafbc8fba5b.png?v=1694800846"},{"product_id":"3204-100","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 100mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3204 series rear-mount, 3‑jaw cast iron scroll chuck is a dependable, ready‑to‑use workholding solution for turning round stock on standard lathes. Built with ground working surfaces, it delivers consistent grip and long‑term accuracy for everyday machining tasks.\n\u003c\/p\u003e\n\u003cp\u003e\nSupplied with a wrench and two jaw sets—reversible hard jaws and outside hard jaws—this chuck adapts quickly to a variety of parts, from shafts to collars. Its robust cast iron construction provides reliable rigidity while damping vibration to help you achieve smooth finishes and repeatable clamping performance.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSelf-centering 3‑jaw design\u003c\/b\u003e: Delivers fast, concentric grip on round stock, reducing setup time and improving accuracy across a range of diameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces for precision\u003c\/b\u003e: Machined, true surfaces minimize runout and support repeatable clamping for consistent results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete with tools and versatile jaws\u003c\/b\u003e: Includes a wrench and two jaw sets (reversible hard jaws and outside hard jaws) ready to tackle a wide variety of parts right away.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis rear‑mount chuck provides stable, dependable performance in daily turning work. With its durable construction, included jaw versatility, and straightforward setup, it helps you streamline workflows, reduce rework, and deliver consistent part quality across projects.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282875985998,"sku":"3204-100","price":469.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_8d4f798c-9692-473e-8735-e876d8b61cf2.png?v=1694800850"},{"product_id":"3204-125","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 125mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3204 series rear-mount, 3-jaw cast iron scroll chuck delivers dependable, centered workholding for a wide range of turning tasks. With a 125 mm capacity and ground working surfaces, it’s designed for both precision projects and everyday workshop work. Supplied with a wrench and a jaw set that includes reversible hard jaws and outside hard jaws, it’s ready to use straight from the box.\n\u003c\/p\u003e\n\u003cp\u003e\nBuilt from durable cast iron for rigidity and long-term stability, this rear-mount chuck is ideal for engineers, tradespeople, hobbyists, and DIYers who value reliable grip and repeatable results across multiple parts.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces\u003c\/b\u003e: Precise, consistent grip and smoother operation thanks to tightly finished contact areas, helping improve accuracy and extend jaw life over many cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSelf-centering 3‑jaw action for fast setup\u003c\/b\u003e: Centers parts quickly with minimal adjustment, reducing setup time and delivering repeatable, concentric results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete jaw kit and wrench included\u003c\/b\u003e: Comes with a set of reversible hard jaws and a set of outside hard jaws plus a wrench, enabling versatile gripping for a variety of shapes and sizes right away.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned to streamline turning tasks, this chuck holds parts securely in a rear-mount configuration, improving workflow and consistency. The combination of robust cast iron construction, ground surfaces, and included jaw options supports durable, low-maintenance performance in busy shops, making it a dependable choice for both production runs and personal projects.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876018766,"sku":"3204-125","price":501.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_e73e1360-1e2e-4e59-9043-f3ae8fd70a65.png?v=1694800854"},{"product_id":"3204-160","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 160mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3204 series rear mount, 3 jaw cast iron scroll chuck provides fast, true workholding for round stock in metalworking and hobby shops. Built from robust cast iron with ground working surfaces, it centers parts quickly and holds them securely for consistent finishes. Supplied with a wrench and 1 piece jaws: 1 set of reversible hard jaws and 1 set of outside hard jaws.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSelf-centering three‑jaw design\u003c\/b\u003e: Quick, true grip on round workpieces with repeatable centering for reliable machining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces\u003c\/b\u003e: Precise seating reduces runout and wear, delivering smoother finishes and longer life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete mounting and jaw kit\u003c\/b\u003e: Includes a wrench and 1 piece jaws: 1 set of reversible hard jaws and 1 set of outside hard jaws for versatile clamping right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith this chuck, you can switch between clamping styles quickly, reduce setup time, and achieve consistent results across a range of parts. The durable cast iron construction resists wear in busy workshops, while the self-centering action minimizes misalignment and scrap. Whether you're building prototypes, performing precision turning, or producing repeated parts, this chuck helps you maintain workflow, improve finish quality, and lower downtime in your shop.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876051534,"sku":"3204-160","price":586.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_8314ae1b-d8a4-4907-8fea-9bf27f106ffc.png?v=1694800858"},{"product_id":"3204-200","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 200mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3204 series rear-mount 3-jaw cast iron scroll chuck is built for dependable workholding on standard lathes. With a 200mm capacity, it handles a broad range of round stock and turned parts, making it suitable for both professional workshops and serious hobbyists.\u003c\/p\u003e \u003cp\u003eGround working surfaces ensure accurate alignment during setup, and the chuck ships with a wrench plus a versatile jaw kit. It includes reversible hard jaws and outside hard jaws to cover a variety of workpieces right out of the box, so you can switch tasks quickly without changing equipment.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDurable cast iron construction\u003c\/b\u003e: provides steady, repeatable clamping with long service life for busy shop environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount design with ground surfaces\u003c\/b\u003e: delivers precise runout control and reliable alignment for consistent turning results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile jaw kit included\u003c\/b\u003e: includes reversible hard jaws and outside hard jaws for holding different shapes, plus a wrench for fast setup.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis chuck improves workflow by delivering fast, secure workholding across a range of parts, reducing setup time and minimizing part runout. The combination of robust materials, precision-ground surfaces, and adaptable jaws helps you achieve smooth finishes and tight tolerances with confidence, whether you're producing parts or prototyping.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876084302,"sku":"3204-200","price":736.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_253e6ec9-524f-480f-8fc2-926d2a4ebbd0.png?v=1694800861"},{"product_id":"3204-250","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 250mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3204 series rear-mount, 3‑jaw cast iron scroll chuck delivers dependable, centered holding for turning round stock. Ground working surfaces enhance grip and precision, making it a reliable choice for workshops, engineers, and hobbyists alike.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFast, centered holding\u003c\/b\u003e: The 3‑jaw scroll design automatically centers the workpiece, reducing setup time and ensuring true running for consistent, accurate turning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRugged cast iron with ground surfaces\u003c\/b\u003e: Built for rigidity and long life, the precision-ground surfaces resist wear and maintain accurate grip through demanding jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOut-of-the-box versatility\u003c\/b\u003e: Includes a wrench and a complete jaw kit (reversible hard jaws and outside hard jaws) for quick jaw changes and adaptable gripping across a range of part geometries.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWhether you're producing precise small runs or tackling a variety of round parts, this chuck helps you work faster with fewer re-clamps, better surface finishes, and reliable performance across sessions. The rear-mount design paired with durable construction and versatile jaw options supports steady workflow in general machining, fabrication, and educational environments.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876149838,"sku":"3204-250","price":1007.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_9abea043-494b-4a0d-9a47-4b4f7c03c3a6.png?v=1694800865"},{"product_id":"3204-315","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 315mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3204 series rear-mount, 3‑jaw cast iron scroll chuck is built to deliver reliable, repeatable workholding for turning operations. Its ground working surfaces provide true seating and consistent grip, helping your parts stay true under load and delivering predictable results job after job.\n\u003c\/p\u003e\n\u003cp\u003e\nSized for larger workpieces, this 315 mm chuck comes complete with a wrench and a versatile jaw set, including reversible hard jaws and outside hard jaws, so you’re ready for a wide range of parts right away.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount design with ground working surfaces\u003c\/b\u003e: Delivers stable mounting on the spindle and precise seating, reducing runout and ensuring accurate, repeatable holding during cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile jaw set included\u003c\/b\u003e: Includes reversible hard jaws and outside hard jaws plus a wrench, enabling fast setup and seamless switching between gripping strategies for different part shapes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust cast iron construction with 315 mm capacity\u003c\/b\u003e: Built for durability and steady performance under load, providing long service life and reliable performance on demanding turning tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWith its combination of stable rear-mount seating, flexible jaw options, and solid cast iron construction, the chuck helps you streamline setups, cut setup time between jobs, and maintain high accuracy across multiple operations. It’s a dependable choice for engineers, machinists, and hobbyists who value consistent results and a smooth workflow.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876182606,"sku":"3204-315","price":1499.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_809dd791-84c9-4e0e-beb7-3338af787b6a.png?v=1694800869"},{"product_id":"3204-400","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 400mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3204 series rear-mount, 3-jaw cast iron scroll chuck delivers solid, centered gripping for round workpieces with a 400mm capacity. This rugged chuck is built for consistent performance and is well suited to engineers, machinists, hobbyists, and workshop buyers who need reliable, repeatable results from their turning operations.\u003c\/p\u003e \u003cp\u003eThe chuck features ground working surfaces for true grip and longevity. It ships with a wrench and a complete jaw kit: one set of reversible hard jaws and one set of outside hard jaws, giving you flexibility to handle different stock profiles right away.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount 3-jaw design\u003c\/b\u003e: Quick, centered grip on round stock with straightforward mounting for fast, repeatable setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCast iron construction with ground working surfaces\u003c\/b\u003e: Delivers stiffness and precision over time, reducing runout and improving finish quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInclusive jaw kit and wrench\u003c\/b\u003e: One set of reversible hard jaws and one set of outside hard jaws, plus a wrench, ready to tackle a variety of stock shapes without extra purchases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith these capabilities, you can clamp parts quickly, maintain concentricity across turning operations, and reduce downtime by switching jaw styles as needed. The result is cleaner finishes, tighter tolerances, and greater confidence in every project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876215374,"sku":"3204-400","price":3006.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_9be98191-5557-450c-a723-f4cee77ff9e6.png?v=1694800873"},{"product_id":"3204-500","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 500mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3204 series rear-mount 3-jaw cast iron scroll chuck delivers sturdy, dependable workholding for lathe work. With ground working surfaces and a rear-mount design, it provides reliable alignment and consistent gripping for a wide range of turning tasks. Supplied with a wrench and a complete jaw kit (reversible hard jaws and outside hard jaws) to adapt to different workpieces straight out of the box.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCast iron construction with ground working surfaces\u003c\/b\u003e: Provides rigid, precise clamping and smooth jaw operation for repeatable results across jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount design for secure, straightforward installation\u003c\/b\u003e: Mounts directly to compatible lathes, improving rigidity and simplifying setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComprehensive jaw kit included (reversible hard jaws and outside hard jaws) plus wrench\u003c\/b\u003e: Enables quick adaptation to a variety of shapes and sizes without extra purchases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck helps you work more efficiently by delivering a stable grip, reducing setup time, and producing consistent part quality across turning projects. Built for durability and long service life, it’s a reliable choice for workshops, job shops, and serious hobbyists who demand dependable performance from their mid-to-large turning tasks.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876248142,"sku":"3204-500","price":5029.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_26b188c5-bb05-45d7-8e7d-2fe351cef3bc.png?v=1694800877"},{"product_id":"3204-630","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 630mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe 630mm model of the Bison 3204 rear-mount, 3-jaw cast iron scroll chuck is designed for reliable, centered gripping on turning operations. Its robust cast iron body and precisely ground working surfaces deliver consistent performance and long service life, even in demanding shop conditions.\n\u003c\/p\u003e \u003cp\u003e\nSupplied with a wrench and a complete jaw system—one set of reversible hard jaws and one set of outside hard jaws—this chuck is ready to tackle a variety of stock shapes from the moment it arrives.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSelf-centering three-jaw design for quick, centered gripping\u003c\/b\u003e: holds round and hex workpieces with a single action, speeding setup and ensuring consistent runout across multiple parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces for precise accuracy\u003c\/b\u003e: engineered for repeatable clamping and reduced runout, delivering reliable performance over many cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes versatile jaw options and a wrench\u003c\/b\u003e: comes with reversible hard jaws and outside hard jaws, plus a wrench, enabling fast adaptation to different gripping needs without extra purchases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck supports efficient workflows by enabling fast, repeatable mounting, durable cast iron construction for longevity, and immediate versatility with its included jaw sets. It helps you achieve consistent grip, better surface finishes, and reduced downtime in everyday turning and milling tasks.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876280910,"sku":"3204-630","price":8024.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3204_40ec377f-a787-4fbd-af44-7953dab31bf0.png?v=1694800880"},{"product_id":"3274-80","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 80mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series front-mount, 3 jaw cast iron scroll chuck provides a dependable, compact holding solution for turning small to medium workpieces. At 80mm, this front-mount chuck delivers solid gripping power with straightforward operation for professional shops, hobbyists, and engineers alike.\n\u003c\/p\u003e \u003cp\u003e\nBuilt with ground working surfaces for true running and smooth operation, it can also be rear mounted via an adapter plate to fit a wider range of machines. Supplied with a wrench and a complete jaw set, including reversible hard jaws and outside hard jaws, you’re ready to tackle a variety of parts right out of the box.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront Mount Design with Ground Working Surfaces\u003c\/b\u003e: Delivers quick setup and stable, accurate gripping for consistent turning results with minimal runout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatility: Front or Rear Mounting Options\u003c\/b\u003e: Adapter plate compatibility expands machine compatibility, reducing the need for multiple chucks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady-to-Use Jaw Set Included\u003c\/b\u003e: Includes reversible hard jaws, outside hard jaws, and a wrench so you can switch configurations and start production with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nManufactured 100% in the Bison Bial factory in Poland, this scroll chuck is renowned for exceptional quality and long tool life. Rely on durable construction and precise performance to improve workflow, reduce downtime, and deliver repeatable results across demanding turning tasks.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876313678,"sku":"3274-80","price":549.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_8807d80a-843f-4857-adcc-1a975bf3fcce.png?v=1694800884"},{"product_id":"3274-100","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 100mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series front-mount, 3-jaw cast iron scroll chuck is a durable, high-precision workholding solution built for everyday turning tasks. With ground working surfaces, it delivers true grip and repeatable performance on a wide range of parts, from small precision components to hobby projects. This 100mm chuck offers reliable engagement and long service life in busy workshops.\n\u003c\/p\u003e \u003cp\u003e\nFlexibility is a core strength: the chuck can be rear-mounted using an adapter plate to fit machines that require back-side mounting, expanding compatibility without swapping hardware. The package includes a wrench and a complete jaw kit: one set of reversible hard jaws and one set of outside hard jaws, so you’re ready to tackle different part geometries right away. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland, a mark of consistent quality and durable tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront-mount design with ground working surfaces\u003c\/b\u003e: delivers true, repeatable gripping with minimal runout for accurate turning and reliable part concentricity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear mounting compatibility via adapter plate\u003c\/b\u003e: expands machine compatibility without needing a new chuck, reducing downtime and investment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes wrench and complete jaw set (reversible and outside jaws)\u003c\/b\u003e: enables quick setup and versatile gripping for a variety of workpieces, minimizing setup time and improving workflow.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck is a practical, long-lasting choice for engineers, machinists, and hobbyists alike—offering solid performance, easy adaptability, and confidence-inspiring durability that helps you finish more parts with precision and efficiency.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876346446,"sku":"3274-100","price":608.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_472fb9f9-1503-48f0-97eb-b01535640c36.png?v=1694800887"},{"product_id":"3274-125","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 125mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series 125mm front-mount, 3-jaw cast iron scroll chuck is built to deliver steady, precise grip on round stock in a wide range of lathes. With ground working surfaces and durable construction, it’s ideal for engineers, machinists, hobbyists, and workshop teams seeking reliable, long-lasting performance in everyday turning tasks.\n\u003c\/p\u003e \u003cp\u003e\nThis model offers flexible installation: it’s a front-mount chuck by default but can be rear-mounted using a dedicated adapter plate to fit non-standard spindles. It’s shipped with a wrench and a complete jaw package, including reversible hard jaws and outside hard jaws, so you’re ready to tackle a variety of parts from day one.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces for true running\u003c\/b\u003e: Precision-ground contact faces on the jaw mating surfaces ensure accurate gripping and repeatable results even during demanding turning tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible mounting options\u003c\/b\u003e: Front-mount design for straightforward setups, plus rear-mount capability via an adapter plate to fit different machines and configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady-to-use jaw kit with wrench\u003c\/b\u003e: Includes reversible hard jaws and outside hard jaws along with a wrench, enabling fast, versatile setups without needing additional purchases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nBuilt in Poland at the Bison Bial facility, this chuck embodies the brand’s commitment to quality and tool life. The cast iron body provides rigidity and durability under heavy use, while the ground surfaces maintain stable grip for consistent results. The combination of a straightforward front-mount workflow and optional rear-mount adaptability reduces downtime and speeds up setup, delivering reliable performance across a broad range of jobs.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876411982,"sku":"3274-125","price":674.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_481e094b-6f9e-4b44-ba6e-97538f79f413.png?v=1694800891"},{"product_id":"3274-160","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 160mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series front-mount, 3-jaw cast iron scroll chuck in 160mm size is designed for turning tasks that require firm, repeatable workholding. Ground working surfaces ensure true gripping and consistent results across a variety of parts, making it ideal for professionals and hobbyists alike.\n\u003cbr\u003e\u003cbr\u003e\nFor maximum flexibility, this chuck can be rear-mounted using an adapter plate. It ships with a wrench and a complete jaw kit: one set of reversible hard jaws and one set of outside hard jaws. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland, renowned for exceptional quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront-mount design with precision-ground surfaces\u003c\/b\u003e: Provides a stable, true grip with quick setup, helping ensure consistent part alignment and reliable performance during turning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile jaw kit included\u003c\/b\u003e: Includes reversible hard jaws and outside hard jaws, enabling secure gripping for a wide range of part shapes without swapping components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount compatibility and Polish manufacturing\u003c\/b\u003e: Rear-mountable via adapter plate for flexible machine configurations, with manufacturing entirely in Poland to deliver proven quality and long tool life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWith its sturdy cast iron construction and ground faces, this chuck delivers secure, repeatable performance across daily shop tasks. The 160mm front-mount design, flexible mounting option, and included jaw set cover a broad spectrum of turning needs, while the Polish-made reliability provides confidence and long-term value for engineers, machinists, and hobbyists alike.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876444750,"sku":"3274-160","price":700.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_515f8d45-4192-44ed-a059-7e213bd099e9.png?v=1694800894"},{"product_id":"3274-200","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 200mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series front mount, 3 jaw cast iron scroll chuck is a durable, general‑purpose workholding solution designed for a wide range of turning, drilling, and finishing tasks. Built for steady, repeatable performance, it’s ideal for engineers, workshops, hobbyists, and tradespeople who need reliable gripping of round stock.\n\u003c\/p\u003e \u003cp\u003e\nDesigned for flexibility, this chuck can be mounted on the front of your lathe and also adapted for rear mounting with an adapter plate. It ships with a wrench and a complete jaw set: one set of reversible hard jaws and one set of outside hard jaws, providing ready-to-use versatility out of the box. All Bison scroll chucks are 100% manufactured in the Bison Bial factory in Poland, renowned for exceptional quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision-ground working surfaces\u003c\/b\u003e: Delivers consistent, repeatable grip with minimal runout, helping you achieve accurate cuts and a clean finish over many setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFront mount with rear-mount adaptability\u003c\/b\u003e: Flexible installation options that fit a variety of lathes and configurations, reducing the need for multiple chucks across machines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete jaw set and wrench included\u003c\/b\u003e: Quick jaw changes and reliable clamping with reversible and outside jaws, plus a wrench for fast setup and minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck provides secure, predictable performance for everyday machining tasks. With robust cast iron construction, precise jaws, and a design that supports easy mounting and jaw changes, it helps you improve workflow efficiency, finish quality, and overall reliability in your shop.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876477518,"sku":"3274-200","price":757.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_5dc031e1-6247-4b8b-a10d-4c1cf3454f44.png?v=1694800897"},{"product_id":"3274-250","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 250mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series front-mount, 3-jaw cast iron scroll chuck is engineered for reliable, repeatable grip on round workpieces. With a 250 mm diameter and ground working surfaces, it delivers true concentric holding for a wide range of turning tasks, from precise finishing to heavy-duty machining. The design also supports rear mounting via an adapter plate, giving you flexible integration with different lathes without swapping chucks.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront‑mount 3‑jaw design with ground surfaces\u003c\/b\u003e: Delivers solid, repeatable grip with reduced runout, helping you achieve accurate, consistent part concentricity across multiple setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount compatibility with adapter plate\u003c\/b\u003e: Expands versatility by allowing a quick switch to back‑mount configuration on compatible machines, preserving performance without buying a new chuck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete jaw set and included tools\u003c\/b\u003e: Includes a wrench and one set of reversible hard jaws plus one set of outside hard jaws, enabling fast, tool‑ready changes for different workpieces and reducing downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThe Bison name stands for durable construction and long service life. All chucks in this line are manufactured in the Bison Bial factory in Poland, delivering dependable quality you can trust on demanding production runs or detailed hobby projects alike. This combination of robust build, precise ground surfaces, and flexible mounting makes it a reliable centerpiece for achieving first-pass accuracy and smooth workflow.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876543054,"sku":"3274-250","price":1044.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_8aef0910-3bf8-4d03-8561-8cd7a7c3cf85.png?v=1694800901"},{"product_id":"3274-315","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 315mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series front-mount, 3-jaw cast iron scroll chuck is built for dependable, self-centering workholding on turning lathes. Featuring ground working surfaces, it delivers precise grip and consistent performance for professionals, engineers, hobbyists, and workshop users alike.\n\u003c\/p\u003e\n\u003cp\u003e\nDesigned for versatility, this chuck can also be rear-mounted via an adapter plate to fit a broader range of machines. Supplied with a wrench and 1 piece jaws: 1 set of reversible hard jaws and 1 set of outside hard jaws, it provides the ready-to-use flexibility you need for quick setups and secure clamping. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland and are renowned for exceptional quality and tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGround, front-mount design for precision grip\u003c\/b\u003e: Ground working surfaces deliver accurate centering and repeatable clamping on round stock, improving part quality and reducing runout during turning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount compatibility\u003c\/b\u003e: Easily convert to rear mounting with an adapter plate, expanding mounting options without sacrificing performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete jaw and tool kit included\u003c\/b\u003e: Comes with a wrench and a full jaw set (reversible hard jaws and outside hard jaws) for fast setup and secure, versatile gripping across common workpieces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck pairs straightforward, reliable operation with long-term durability, making it a solid choice for demanding turning tasks, whether you’re prototyping, fabricating, or producing high-precision parts. Built in Poland to stringent standards, it offers consistent performance you can trust day after day.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876608590,"sku":"3274-315","price":1632.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_11ed1008-37c5-4069-8c13-18b6c390756d.png?v=1694800905"},{"product_id":"3274-400","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 400mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series front mount, 3 jaw cast iron scroll chuck offers robust, repeatable workholding for a wide range of turning and machining tasks. Designed for front mounting on compatible machines, it can also be rear-mounted using an adapter plate for added setup flexibility. With ground working surfaces, it delivers consistent grip and long-term accuracy across jobs.\n\u003c\/p\u003e \u003cp\u003e\nThe 400mm front-mount chuck is 100% manufactured in the Bison Bial factory in Poland, a name synonymous with durable build quality and long tool life. It ships with a wrench and a complete jaw package: one set of reversible hard jaws and one set of outside hard jaws, providing immediate versatility for roughing, finishing, and delicate workholding.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGround finished working surfaces\u003c\/b\u003e: Precise, smooth gripping with reduced runout and longer service life, helping you rely on repeatable results across multiple parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFront mount with rear-mount option\u003c\/b\u003e: Flexible installation on your machine lineup, enabling quick changes between setups without swapping chucks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete jaw and wrench package\u003c\/b\u003e: Ready-to-use right out of the box, including reversible hard jaws and outside hard jaws plus a wrench for fast changes and adaptable workholding.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck is built for demanding shop environments, delivering stable performance, consistent clamping force, and extended durability. The combination of cast iron rigidity, precision-ground surfaces, and Polish manufacturing quality makes it a dependable choice for engineers, machinists, and hobbyists who value reliable results and efficient workflows.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876641358,"sku":"3274-400","price":3751.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_57c7f777-2787-426b-bcf4-83624ab1c3b2.png?v=1694800908"},{"product_id":"3274-500","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 500mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3274 series front-mount, 3-jaw cast iron scroll chuck is built for reliable, repeatable gripping on a range of machine tools. Sized at 500mm, it’s a solid choice for engineers, machinists, tradespeople, and serious hobbyists who need consistent clamping and long tool life. Featuring ground working surfaces for accuracy and the option to rear-mount using an adapter plate, this chuck adapts to different setups without sacrificing performance. Each unit ships with a wrench and a complete jaw kit, including one-piece jaws and a set of reversible and outside hard jaws, ready to tackle diverse workpieces straight away.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile mounting options\u003c\/b\u003e: Front-mount design with rear-mount capability via an adapter plate gives you flexibility across different machines and setups, reducing the need for multiple chucks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRigid, precision-ground surfaces\u003c\/b\u003e: Cast iron construction with ground working faces delivers stable grip and repeatable accuracy, helping you achieve consistent results run after run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOut-of-the-box jaw kit with wrench\u003c\/b\u003e: Includes one-piece jaws, reversible hard jaws, outside hard jaws, and a wrench, enabling fast jaw changes and minimal downtime for varied workpieces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned and manufactured entirely in the Bison Bial factory in Poland, this chuck is recognized for high-quality construction and extended tool life. Its robust build and thoughtful accessories make it a dependable core for woodturning, metalworking, and precision machining workflows where dependable performance matters.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876674126,"sku":"3274-500","price":6719.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_df9efb44-be32-4b23-9094-e84668795501.png?v=1694800912"},{"product_id":"3274-630","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Front Mount) - 630mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3274 series front-mount, 3‑jaw cast iron scroll chuck is designed for reliable gripping on lathes and turning equipment. With ground working surfaces, it delivers true concentric holding for round stock and cylinders, making it ideal for engineers, machinists, and hobbyists who value consistent performance and long tool life. This 630mm chuck can also be rear-mounted via an adapter plate, offering mounting flexibility across different machines.\u003c\/p\u003e \u003cp\u003eSupplied with a wrench and two jaw sets—one set of reversible hard jaws and one set of outside hard jaws—this chuck is ready to handle a wide range of parts right out of the box.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision-ground working surfaces\u003c\/b\u003e: Ensures true concentric gripping and repeatable results, helping reduce setup time and part runout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible mounting options\u003c\/b\u003e: Front-mount design with optional rear mounting via adapter plate expands compatibility across different lathes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady-to-use jaw kit\u003c\/b\u003e: Includes reversible hard jaws, outside hard jaws, and a wrench for immediate setup and versatile clamping across common workpiece shapes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBuilt to endure tough workshop use, the chuck’s cast iron body and precision machining deliver durable performance and long tool life. The ground surfaces improve concentricity and reduce runout, while the rear-mount option adds mounting versatility to fit different machines. Paired with the included hardened jaws and wrench, it speeds up setup and delivers consistent clamping across a wide range of parts, from simple dowel work to precision turned components, helping you finish projects faster with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876706894,"sku":"3274-630","price":9465.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3274_1816daeb-c55a-45a1-a28b-479045d1c204.png?v=1694800916"},{"product_id":"3205-125","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 125mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nMeet the Bison 3205 series rear-mount, 3-jaw cast iron scroll chuck. Designed for reliable, repeatable workholding on round stock, this 125mm chuck features ground working surfaces for consistent grip and accuracy. It ships with a wrench and a 2-piece jaw set (one set of hard top jaws and one set of hard master jaws), so you’re ready to clamp and cut right away. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland and are renowned for exceptional quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e3‑jaw self‑centering design\u003c\/b\u003e: Provides fast, concentric grip on round stock with straightforward setup, ideal for turning, drilling, and light milling tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces on cast iron body\u003c\/b\u003e: Improves accuracy and consistency by minimizing runout, delivering stable, repeatable clamping and longer tool life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes wrench and 2-piece jaw set\u003c\/b\u003e: Ready to use with hard top jaws and hard master jaws, offering versatile gripping options and quick setup for varied stock sizes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWith its sturdy cast iron construction, ground precision surfaces, and a complete accessory package, this chuck helps you clamp quickly and securely, reduce setup time, and achieve consistent results across projects. The 100% Polish-made build underpins dependable performance and long-term value for workshops, makers, and professional shops alike.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876772430,"sku":"3205-125","price":629.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3205_cc56bed5-6355-448d-8f82-f2650e579fdb.png?v=1694800921"},{"product_id":"3205-160","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 160mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3205 series rear-mount, 3‑jaw cast iron scroll chuck is built for reliability and consistent grip on round stock up to 160 mm in diameter. Its robust cast‑iron body and ground working surfaces deliver steady performance on a range of lathes, making it a dependable choice for engineers, machinists, hobbyists, and shop professionals who value repeatable results and long tool life.\n\u003c\/p\u003e \u003cp\u003e\nSupplied with a wrench and a complete jaw kit, this chuck includes two-piece jaws: hard top jaws and hard master jaws. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland and are renowned for exceptional quality and tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTwo-piece jaw set included\u003c\/b\u003e: Comes with hard top jaws and hard master jaws, providing versatile gripping options and reducing setup time for different workpiece shapes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces\u003c\/b\u003e: Precisely machined faces ensure smooth operation and accurate clamping, helping to minimize runout and extend jaw and chuck life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount, 160 mm cast iron design\u003c\/b\u003e: Delivers rigid, stable support on compatible lathes, handling demanding turning tasks with reliable performance and durability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck delivers a dependable, ready-to-use solution for everyday turning tasks. The combination of a robust rear-mount design, accurate ground surfaces, and a versatile jaw set helps you maintain concentricity, reduce downtime, and achieve consistent results across a wide range of applications.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876870734,"sku":"3205-160","price":674.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3205_26a08697-500e-45fb-8261-3433d9e85454.png?v=1694800924"},{"product_id":"3205-200","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 200mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3205 series rear-mount, 3-jaw cast iron scroll chuck offers robust, dependable workholding for 200 mm turning applications. Featuring ground working surfaces for true grip and repeatable accuracy, it ships with a wrench and a two-piece jaw set (hard top jaws and hard master jaws). All chucks are 100% made in the Bison Bial factory in Poland, renowned for exceptional quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e3-Jaw scroll design with precision-ground surfaces\u003c\/b\u003e: Provides true, symmetric gripping on round stock with ground working surfaces that improve concentricity, repeatability, and finished results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes 2-piece jaw set and wrench\u003c\/b\u003e: Offers versatile holding options with hard top jaws and hard master jaws, plus a wrench for quick, reliable jaw changes and fast job setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMade in Poland for consistent quality and durability\u003c\/b\u003e: 100% manufactured at the Bison Bial factory, delivering a rugged cast iron body and proven tool life for demanding workshops.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck helps you clamp securely and quickly, reducing setup time and minimizing runout-related defects. The rigid construction dampens vibration for smoother cuts and better finishes, while the rear-mount design ensures compatibility with a range of lathes. With the included wrench and two-piece jaw set, you can smoothly switch between holding methods and keep production moving with confidence.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876903502,"sku":"3205-200","price":816.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3205_7445577c-4dee-4bf3-a620-fd286c079bde.png?v=1694800928"},{"product_id":"3205-250","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 250mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3205 series rear-mount, 3-jaw cast iron scroll chuck is a durable, high-precision workholding solution designed for turning and mounting round parts. With a 250 mm chuck diameter, it offers reliable gripping for a wide range of mid-size to larger projects, making it suitable for engineers, machinists, tradespeople, hobbyists, and shop environments alike.\n\u003c\/p\u003e \u003cp\u003e\nThis chuck ships with a wrench and a versatile 2-piece jaw set (1 set of hard top jaws and 1 set of hard master jaws), ready for immediate use. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland, celebrated for exceptional quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRugged cast iron construction\u003c\/b\u003e: Delivers rigidity and durability that resist deformation under heavy cutting, helping maintain accurate grip and extending tool life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision-ground working surfaces with rear-mount design\u003c\/b\u003e: Ensures true, repeatable alignment on your lathe for consistent, reliable results across jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes 2-piece jaw set and wrench\u003c\/b\u003e: Provides hard top jaws and hard master jaws for versatile, quick-change gripping of a variety of workpieces, reducing setup time and downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned to deliver dependable, long-lasting performance in busy workshops, this chuck helps you complete projects faster with fewer re-clamps and greater part consistency. Its combination of robust construction, precise grinding, and ready-to-use jaws makes it a trustworthy, production-friendly choice for everyday machining tasks.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876936270,"sku":"3205-250","price":1086.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3205_6770116e-7fe7-427b-b513-85ac10915930.png?v=1694800932"},{"product_id":"3205-315","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 315mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3205 series rear‑mount, 3‑jaw cast iron scroll chuck is built for dependable, true‑centering in turning tasks. With a 315 mm chuck size, it handles a wide range of medium to large workpieces, making it a reliable choice for workshops, engineers, tradespeople, and serious hobbyists alike.\n\u003c\/p\u003e\n\u003cp\u003e\nMade 100% in the Bison Bial factory in Poland, this chuck combines rugged cast iron construction with ground working surfaces to deliver consistent accuracy and long tool life. It ships complete with a wrench and a two‑piece jaw set (one set of hard top jaws and one set of hard master jaws), so you can start turning with confidence right out of the box.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHeavy‑duty cast iron construction\u003c\/b\u003e: Provides stiffness and durability for steady, repeatable grip even under demanding machining conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces\u003c\/b\u003e: Ensures tight concentric grip and minimal runout, delivering precise parts and better surface finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwo-piece jaw set included (hard top jaws + hard master jaws)\u003c\/b\u003e: Offers versatile clamping options for a variety of workpieces with fast, tool‑free adjustments using the included wrench.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\nThis rear‑mount, 3‑jaw chuck delivers reliable performance, reduces downtime, and supports consistent results across a wide range of turning applications. Built to high manufacturing standards in Poland, it’s a trustworthy addition to any lathe setup that prioritizes accuracy, longevity, and ease of use.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282876969038,"sku":"3205-315","price":1532.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3205_765b629e-077e-4455-82d4-33b5a4288bde.png?v=1694800936"},{"product_id":"3205-400","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 400mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3205 series rear mount, 3-jaw cast iron scroll chuck is designed to hold round stock securely on your lathe. With a 400 mm capacity, it’s suitable for a wide range of parts, from small shafts to larger turned components. Supplied with a wrench and a two-piece jaw set (hard top jaws and hard master jaws), it delivers ready-to-use versatility straight out of the box. All chucks are 100% manufactured at the Bison Bial factory in Poland, renowned for exceptional quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFast, true centering with a 3-jaw scroll design\u003c\/b\u003e: The self-centering three-jaw mechanism grips round stock quickly and evenly, reducing setup time and delivering balanced runs for reliable turning every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRigid cast-iron body with ground working surfaces\u003c\/b\u003e: Cast iron provides stiffness and vibration damping, while ground surfaces ensure precise bite and minimal runout for consistent part quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady-to-use jaw set with included wrench and two-piece jaws\u003c\/b\u003e: Includes hard top jaws and hard master jaws plus a wrench, giving you immediate grip options for a variety of shapes and materials with repeatable clamping.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck helps streamline workflows by delivering secure, repeatable holding across a range of parts, reducing setup and measurement time. Built for durability and long service life, it combines robust construction with precise performance, backed by Poland-made manufacturing standards you can trust.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877001806,"sku":"3205-400","price":2939.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3205_4491d3f3-3599-4307-b3ac-4c03afc4df27.png?v=1694800939"},{"product_id":"3205-500","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 500mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3205 series rear-mount, 3-jaw cast iron scroll chuck is built for demanding turning tasks. Designed for reliability in professional shops and serious hobby environments, it delivers secure, repeatable gripping on larger workpieces with ease. With a 500 mm capacity and ground working surfaces, this chuck helps you achieve consistent results across jobs, from rough turning to finishing passes.\n\u003c\/p\u003e \u003cp\u003e\nThis model includes a wrench and a two-piece jaw set: one set of hard top jaws and one set of hard master jaws, giving you versatile holding options right out of the box. All components are 100% manufactured in the Bison Bial factory in Poland, a plant renowned for quality craftsmanship and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision-ground working surfaces\u003c\/b\u003e: Ensures true grip and minimizes runout for repeatable, accurate turning results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwo-piece jaw set with wrench\u003c\/b\u003e: Includes hard top jaws and hard master jaws for versatile, secure holding and quick jaw changes—reducing downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolish-made durability\u003c\/b\u003e: 100% manufactured in the Bison Bial factory in Poland, delivering reliable performance and long tool life through demanding use.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis rear-mount, 3-jaw cast iron scroll chuck provides a stable, dependable platform for turning applications up to 500 mm in diameter, helping you improve workflow efficiency, achieve better finish quality, and maintain consistent results across production runs.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877034574,"sku":"3205-500","price":4813.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3205_803211c7-d673-4c8e-9eea-e86eb804884a.png?v=1694800943"},{"product_id":"3205-630","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 630mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3205 series rear-mount, 3-jaw cast iron scroll chuck (630 mm capacity) is built for dependable, high-precision holding of cylindrical workpieces in turning operations. Its cast iron body and ground working surfaces provide solid, repeatable grip across a wide range of part sizes and tolerances, helping you achieve consistent results with every part.\u003c\/p\u003e \u003cp\u003eSupplied with a wrench and a two-piece jaw set (one set of hard top jaws and one set of hard master jaws), this chuck is ready for immediate use. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland and are renowned for exceptional quality and long tool life.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGround, precision-ground working surfaces\u003c\/b\u003e: Ensures accurate gripping and consistent concentricity across jobs, reducing setup time and rework.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwo-piece jaw system included (hard top jaws + hard master jaws) with wrench\u003c\/b\u003e: Offers versatile, secure gripping for a wide range of stock and lets you switch jaws quickly for different parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount, 3-jaw cast iron scroll design\u003c\/b\u003e: Delivers stable, reliable clamping on cylindrical workpieces in demanding turning operations, with long service life in tough shop conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith this chuck, you gain faster setup, dependable concentricity, and durable performance that stands up to daily use in workshops, job shops, or production environments. The combination of precision-ground surfaces, a versatile jaw system, and Poland-made manufacturing underpins repeatable results and long-term reliability—giving you confidence to tackle a wide range of turning projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877067342,"sku":"3205-630","price":7474.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3205_645d333a-2812-4dff-85a2-c57fb8c4bd7e.png?v=1694800947"},{"product_id":"3275-125","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Front Mount) - 125mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3575 series Front Mount 3‑Jaw Cast Iron Scroll Chuck is a robust, mid‑size workholding solution designed for turning tasks. With a 125mm capacity and ground working surfaces, it delivers steady grip and true running for consistent part quality. It is also rear-mountable via an adapter plate, giving you flexibility if your setup changes.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRugged cast iron construction\u003c\/b\u003e: Built to withstand daily workshop use, providing lasting rigidity and dependable holding across long runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround precision surfaces\u003c\/b\u003e: Ground working surfaces ensure consistent jaw alignment and reduced runout for repeatable, accurate results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes a two-piece jaw set and wrench\u003c\/b\u003e: 1 set of hard top jaws and 1 set of hard master jaws, plus a wrench, enabling quick setup and easy jaw changes for different parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWith its durable Poland‑made build and versatile mounting options, this chuck helps you deliver reliable, repeatable performance across a broad range of turning tasks. The combination of 125mm capacity, front‑mount efficiency, rear‑mount potential via adapter plate, and included jaw sets provides a practical, long‑lasting solution you can trust for everyday workshop use.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877100110,"sku":"3275-125","price":707.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3275_a3cc3b13-48d7-4622-8cb8-a86b13615452.png?v=1694800951"},{"product_id":"3275-160","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Front Mount) - 160mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3575 series front-mount, 3 jaw cast iron scroll chuck (160mm) is built for reliable, everyday turning on a wide range of lathes. With ground working surfaces, it delivers true grip and consistent finishes, making setup faster and parts more repeatable. It also supports rear mounting via an adapter plate for added compatibility with different machines.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision-ground working surfaces\u003c\/b\u003e: Delivers true runout and repeatable grip for accurate parts and cleaner finishes, helping you reduce rework and downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFront mount with rear-mount option\u003c\/b\u003e: Flexible installation on your lathe—easily convert to rear mounting with an adapter plate to fit different spindle configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes wrench and two-piece jaw set\u003c\/b\u003e: Ready to use out of the box with hard top jaws and hard master jaws, plus a wrench for quick adjustments and extended jaw life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nAll Bison scroll chucks are 100% manufactured in the Bison Bial factory in Poland, renowned for exceptional quality and long tool life. This 160mm chuck delivers durable performance under demanding turning tasks, providing dependable grip, consistent results, and confident reliability across a wide range of materials and projects.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877132878,"sku":"3275-160","price":748.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3275_753683c4-2feb-4c35-a44d-5a25c72b0a2a.png?v=1694800954"},{"product_id":"3275-200","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Front Mount) - 200mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3575 series front-mount, 3-jaw cast iron scroll chuck in 200mm size provides fast, centered gripping for everyday turning tasks. Its ground working surfaces ensure accurate, repeatable results straight out of the box, making it a dependable choice for engineers, machinists, hobbyists, and workshops that demand steady performance.\u003c\/p\u003e \u003cp\u003eFlexible mounting options include rear mounting via an adapter plate, and the chuck ships with a wrench and a complete 2-piece jaw set: 1 set of hard top jaws and 1 set of hard master jaws. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland, known for exceptional quality and long tool life.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFast, self-centering 3‑jaw design\u003c\/b\u003e: Quick and repeatable centering for consistent grip and reduced setup time across jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces plus durable cast iron body\u003c\/b\u003e: Precision gripping with minimal runout and long tool life in demanding shop environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible mounting with complete hardware\u003c\/b\u003e: Front-mount by default with rear mounting possible via adapter plate; includes a wrench and a 2-piece jaw set (hard top jaws and hard master jaws) for immediate versatility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Bison 3575 chuck delivers reliable performance across a range of turning tasks, helping you finish parts faster with tighter tolerances. Its sturdy construction and included accessories mean you can rely on consistent results day after day, making it a smart, long-lasting addition to any workshop or production floor.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877165646,"sku":"3275-200","price":850.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3275_0f1e3c3f-9bde-475b-8990-d8a20f6734f1.png?v=1694800958"},{"product_id":"3275-250","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Front Mount) - 250mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nMeet the Bison 3575 series front-mount, 3‑jaw cast iron scroll chuck. This durable unit is built for reliability across a wide range of turning tasks, with a 250 mm capacity and ground working surfaces that help keep runout tight and parts true. It can also be rear-mounted using an adapter plate to fit your machine, and it ships with a wrench and a complete 2‑piece jaw set (hard top jaws and hard master jaws), all 100% made in the Bison Bial factory in Poland.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront‑mounted 3‑jaw design for fast, centered gripping\u003c\/b\u003e: Quick, secure workholding with a single action that helps you keep parts true and workflows moving smoothly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes two‑piece jaw set and wrench\u003c\/b\u003e: Comes with hard top jaws, hard master jaws, and a wrench for immediate setup and consistent clamping across a range of parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces and Polish manufacturing\u003c\/b\u003e: Ground surfaces enhance accuracy and durability, while production in the Bison Bial factory in Poland ensures stringent quality control and long tool life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck delivers dependable, repeatable grip and robust construction to reduce setup time, improve concentricity, and sustain performance across demanding turning jobs. Its flexible mounting options and included tooling make it a trustworthy investment for workshops seeking accuracy, durability, and value from a single, reliable chuck.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877198414,"sku":"3275-250","price":1151.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3275_7822e0bc-67ff-48db-9eca-818c9361b519.png?v=1694800962"},{"product_id":"3275-315","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Front Mount) - 315mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3575 series front-mount 3‑jaw cast iron scroll chuck delivers solid, dependable workholding for turning and milling tasks. With ground working surfaces, it provides consistent gripping accuracy on cylindrical stock up to 315 mm in diameter, helping you achieve repeatable results with every part.\n\u003c\/p\u003e\n\u003cp\u003e\nThis chuck can also be rear-mounted via an adapter plate, giving you flexibility to adapt to different machines without purchasing a new unit. Supplied with a wrench and a complete 2‑piece jaw set (1 set of hard top jaws and 1 set of hard master jaws), it arrives ready to perform from day one. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland, renowned for exceptional quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront-mount 3‑jaw design with ground working surfaces\u003c\/b\u003e: delivers accurate, repeatable gripping and smooth operation for reliable part holding on cylindrical stock up to 315 mm in diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount compatibility via adapter plate\u003c\/b\u003e: adds machine-installation versatility, allowing you to switch between different machines without buying a new chuck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete out-of-the-box package\u003c\/b\u003e: includes wrench and a 2-piece jaw set (hard top jaws + hard master jaws) for immediate, durable holding and long jaw life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nBuilt and tested for demanding workshop environments, this chuck offers dependable performance, steady clamping force, and a long service life thanks to its cast iron construction and precise manufacturing. Choose it for consistent accuracy, reduced downtime, and the confidence that comes from a European-made, industry-standard workholding solution.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877231182,"sku":"3275-315","price":1667.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3275_9916d908-567e-4856-b08a-b961a48eda2c.png?v=1694800965"},{"product_id":"3275-400","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Front Mount) - 400mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3575 series front-mount, 3-jaw cast iron scroll chuck is designed to deliver dependable workholding for a wide range of machining tasks. With ground working surfaces, it provides precise, repeatable gripping across various stock sizes, and it can be rear-mounted using an adapter plate to fit different machine configurations.\u003c\/p\u003e \u003cp\u003eSupplied with a wrench and a complete 2-piece jaw set (hard top jaws and hard master jaws), this chuck offers ready-to-use versatility. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland and are renowned for exceptional quality and long tool life.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces for precise, repeatable grip\u003c\/b\u003e: Delivers consistent clamping accuracy across cycles, helping you achieve reliable results with every part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwo-piece jaw set included (hard top and hard master jaws)\u003c\/b\u003e: Provides versatile holding options and fast setup to accommodate different workpieces without additional purchases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount capability and trusted Polish manufacturing\u003c\/b\u003e: Front-mount design with optional rear mounting via adapter plate, backed by 100% Polish-made craftsmanship and durable construction for long tool life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for dependable performance in busy workshops, this chuck helps improve workflow by delivering secure, repeatable grips and quick jaw changes, reducing setup time and boosting consistency across parts and operations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877263950,"sku":"3275-400","price":4013.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3275_a9f12219-ad61-47ba-99b4-d31c3909fbbc.png?v=1694800969"},{"product_id":"3275-500","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Front Mount) - 500mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3575 series front-mount, 3-jaw cast iron scroll chuck is designed for dependable, quick workholding on lathes and turning centers. With ground, precision-finished surfaces, it delivers true running and repeatable accuracy for a wide range of turning tasks. The 500 mm capacity makes it suitable for mid- to large-diameter parts, helping you secure parts confidently from setup to finish.\n\u003c\/p\u003e \u003cp\u003e\nThis chuck can be mounted on the front of your machine and can also be rear-mounted using an adapter plate, giving you flexible integration with different setups. Supplied with a wrench and a 2-piece jaw set (one set of hard top jaws and one set of hard master jaws), it’s ready for immediate use in production or shop-floor projects. All Bison scroll chucks are 100% manufactured in the Bison Bial factory in Poland, a commitment that underpins consistent quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGround, precision-finished working surfaces\u003c\/b\u003e: Ensures true running and repeatable grip for accurate machining and extended tool life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFront mount with rear-mount flexibility\u003c\/b\u003e: Simple to install on compatible machines and convertible to rear-mount via an adapter plate for versatile installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes 2-piece jaw set and wrench\u003c\/b\u003e: Ready-to-use combination of hard top jaws and hard master jaws plus a wrench for fast setup and secure, repeatable clamping across a range of parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis Bison cast iron scroll chuck delivers reliable, consistent performance that helps streamline workflows, reduce setup time, and improve part-to-part repeatability. Built for durability and long service life, it provides confident holding power on demanding projects, supported by Polish manufacturing standards you can trust.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877296718,"sku":"3275-500","price":6323.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3275_a4346c73-f8a6-4f1a-8668-60c2c7c5ef95.png?v=1694800973"},{"product_id":"3275-630","title":"Bison Cast iron Scroll Chucks - 3 Jaws - 2 Piece Jaw (Front Mount) - 630mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3575 series front-mount, 3-jaw cast iron scroll chuck delivers dependable, precise workholding for turning tasks. Sized at 630mm, it’s built to handle larger workpieces with consistent grip and repeatability. The chuck’s ground working surfaces ensure accuracy and longer tool life, making it a reliable choice for engineers, machinists, hobbyists, and workshop professionals.\u003c\/p\u003e \u003cp\u003eAll Bison scroll chucks are 100% made in the Bison Bial factory in Poland and are renowned for offering exceptional quality and tool life. The chuck can be rear mounted via an adapter plate if your setup requires it, and it ships with a wrench plus a complete 2-piece jaw set (hard top jaws and hard master jaws) for immediate use.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront-mount 3-jaw cast iron design\u003c\/b\u003e: Centers quickly and grips round or square stock securely for repeatable results, even with larger workpieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround working surfaces for accuracy and durability\u003c\/b\u003e: Precision-ground surfaces reduce runout and wear, delivering consistent clamping and longer tool life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes wrench and 2-piece jaw set\u003c\/b\u003e: Hard top jaws and hard master jaws are included for immediate use and reliable grip across a range of materials.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis chuck helps you hold workpieces securely, reduces setup time, and improves repeatability for consistent finishes. Its rugged cast iron construction stands up to demanding workloads, while rear-mount compatibility expands versatility across machines. With the included wrench and two-piece jaw set, you can start producing accurate, repeatable results right away, minimizing downtime and boosting productivity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877329486,"sku":"3275-630","price":8871.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3275_4cf1593b-cf2f-4237-871b-48998c24b25f.png?v=1694800976"},{"product_id":"3504-80","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 80mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 series rear-mount, 3-jaw steel scroll chuck in an 80mm size is designed to deliver secure, dependable workholding for a wide range of turning tasks. It features a balanced scroll plate and hardened, ground working surfaces to ensure smooth operation and repeatable gripping. Supplied with a wrench and a complete jaw set (reversible hard jaws and outside hard jaws), it’s ready to install and use on your machine. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland, renowned for exceptional quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount design for secure mounting\u003c\/b\u003e: Provides stable, hub-to-spindle alignment on compatible lathes, reducing runout and improving concentricity during turning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncluded jaw set (reversible and outside hard jaws)\u003c\/b\u003e: Delivers immediate versatility for gripping different workpiece shapes without purchasing extra accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardened and ground working surfaces with a balanced scroll plate\u003c\/b\u003e: Ensures durable performance, smooth operation, and repeatable gripping across demanding turning tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis combination gives you reliable, repeatable clamping, quick setup with the included wrench and jaws, and long-term durability to keep production moving with minimal downtime.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877362254,"sku":"3504-80","price":579.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_1f7e96c0-e65b-4b51-ba4f-b75c9d6c068e.png?v=1694800981"},{"product_id":"3504-100","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 100mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 rear-mount, 3‑jaw steel scroll chuck is a dependable workholding solution for turning, milling, and other precision machining tasks. Designed for professionals and serious hobbyists alike, it offers secure grip on round stock with straightforward mounting on compatible spindles. Its balanced scroll plate and hardened, ground working surfaces help ensure smooth operation and repeatable clamping.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRear‑Mount 3‑Jaw Design\u003c\/b\u003e: Provides quick, centered gripping of round stock with reliable concentricity, reducing setup time and improving straightness and accuracy in every part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced Scroll Plate with Hardened, Ground Surfaces\u003c\/b\u003e: Delivers smooth operation, minimal runout, and long-lasting wear resistance for consistent performance over many jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Jaw and Tooling Kit Included\u003c\/b\u003e: Ships with a wrench and two jaw sets—reversible hard jaws and outside hard jaws—so you’re ready to tackle a range of stock sizes and gripping needs right away.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nCrafted in Poland at the Bison Bial factory, this chuck exemplifies enduring quality and tool life. With its robust construction and versatile jaw options, it supports a wide range of applications—from delicate prototypes to demanding production runs—giving you confidence that it will perform reliably, batch after batch.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877395022,"sku":"3504-100","price":629.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_135ceebe-1ecc-4635-9b01-7ecaf75d84ed.png?v=1694800984"},{"product_id":"3504-125","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 125mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 series rear-mount, 3-jaw steel scroll chuck delivers dependable workholding for a wide range of machining tasks. At 125mm, it provides a robust grip suitable for everyday production as well as precision hobbyist work, helping you hold parts securely with consistent results.\n\u003c\/p\u003e \u003cp\u003e\nCrafted 100% in the Bison Bial factory in Poland, this chuck features a balanced scroll plate and hardened, ground working surfaces to maintain accuracy through repeated use. It arrives with a wrench and a complete jaw kit, including reversible hard jaws and outside hard jaws, so you can quickly adapt to different part geometries without downtime.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate for smooth, repeatable gripping\u003c\/b\u003e: The precision-balanced scroll plate minimizes runout during clamping, delivering consistent grip and predictable results across jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardened and ground working surfaces for long tool life\u003c\/b\u003e: Hardened surfaces resist wear and keep tolerances stable, extending service life even in demanding materials and repeated cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete jaw kit and rear-mount design for versatile, quick setups\u003c\/b\u003e: Includes reversible hard jaws, outside hard jaws, and a wrench, enabling rapid jaw changes and secure mounting on compatible spindles.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis Bison scroll chuck is designed to streamline your workflow with reliable performance, easy jaw changes, and durable construction that you can trust over the long term. Built in Poland to exacting standards, it supports consistent results, reduces downtime, and provides confidence in every hold you make.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877427790,"sku":"3504-125","price":818.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_bfbbea97-4da6-4f8e-aff7-a454b3f1df45.png?v=1694800987"},{"product_id":"3504-160","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 160mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 rear-mount, 3‑jaw steel scroll chuck offers dependable, ready-to-use workholding for a wide range of turning tasks. At 160 mm, it’s well-suited for hobbyists, makers, and professionals who need fast setup and confident grip on cylindrical parts.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount, self-centering design for fast, stable mounting\u003c\/b\u003e: secure attachment to your lathe with quick setup and reliable concentric gripping, reducing runout and improving first-pass accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate with hardened and ground working surfaces\u003c\/b\u003e: smooth engagement and long tool life, resisting wear for repeatable performance over many jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile jaw kit with reversible and outside hard jaws (plus wrench)\u003c\/b\u003e: accommodates a wide range of workpieces and features easy jaw changes, minimizing downtime between setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned and manufactured in the Bison Bial factory in Poland, this chuck is built for enduring quality and tool life. The combination of a balanced scroll assembly, hardened working surfaces, and a comprehensive jaw system ensures consistent grip, reliable results, and a robust, low-maintenance performance you can trust for daily turning tasks.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877460558,"sku":"3504-160","price":930.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_d53932b6-54e0-406a-87b7-08dbbb0e4318.png?v=1694800991"},{"product_id":"3504-200","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 200mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 series rear-mount, 3-jaw steel scroll chuck provides secure, precise workholding for turning tasks on a lathe. With a 200 mm capacity, it clamps workpieces reliably and delivers smooth, repeatable operation across a range of materials—ideal for professional shops, hobbyists, and demanding workshops alike.\n\u003c\/p\u003e \u003cp\u003e\nManufactured 100% in the Bison Bial factory in Poland, this chuck features a balanced scroll plate and hardened, ground working surfaces for long tool life and dependable performance. It ships with a wrench and two jaw sets—reversible hard jaws and outside hard jaws—ready for immediate use.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate for smooth, precise turning\u003c\/b\u003e: Reduces vibration and runout for cleaner finishes and more accurate parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardened and ground working surfaces for durability\u003c\/b\u003e: Resists wear and maintains a secure grip over many cycles, boosting reliability and tool life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount design with included tools for instant versatility\u003c\/b\u003e: Secure mounting to the lathe nose and quick access to two jaw sets (reversible and outside) plus a wrench for fast setup and flexible workholding.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned to deliver consistent performance across a variety of turning tasks, this chuck helps you streamline setups, minimize downtime, and achieve reliable, repeatable results. Built in Poland with meticulous quality control, it’s a dependable choice for professionals and serious makers who demand precision and longevity from their tooling.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877493326,"sku":"3504-200","price":1141.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_67ed8546-b27d-4ae2-8fe8-8b7a4e8dfdfc.png?v=1694800995"},{"product_id":"3504-250","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 250mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 series rear-mount, 3-jaw steel scroll chuck is built for dependable workholding in demanding machining tasks. It features a balanced scroll plate and hardened, ground working surfaces to deliver precise grip and long service life. With a 250 mm capacity, it covers a broad range of common workpieces.\n\u003c\/p\u003e\n\u003cp\u003e\n100% manufactured in the Bison Bial factory in Poland, this chuck embodies the brand’s commitment to quality and durability. It ships with a wrench and 1 piece jaws: 1 set of reversible hard jaws and 1 set of outside hard jaws, providing immediate versatility out of the box.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate for precision grip\u003c\/b\u003e: Delivers concentric clamping with reduced runout, helping you achieve consistent part dimensions and better surface finishes across a variety of pieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardened and ground working surfaces\u003c\/b\u003e: Built to resist wear from heavy use, maintaining grip accuracy and extending tool life for reliable, long-term performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount design with included jaw kit and wrench\u003c\/b\u003e: Secure mounting and fast setup, with 1 set of reversible hard jaws and 1 set of outside hard jaws, so you can switch grip styles quickly for different workpieces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck offers dependable, repeatable performance in everyday machining tasks, helping you reduce downtime, improve workflow, and achieve clean, accurate results. Built in Poland to exacting standards, it’s a trustworthy choice for workshops that demand consistency and longevity from their tooling.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877526094,"sku":"3504-250","price":1363.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_dee9849c-5cae-4b7f-a363-9412f4ecb99c.png?v=1694800999"},{"product_id":"3504-315","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 315mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 series rear-mount, 3-jaw steel scroll chuck is a robust, high-precision workholding solution designed for professional workshops. With a 315mm diameter, it’s ideal for securing larger parts on lathes or milling setups where quick, centered gripping matters.\n\u003c\/p\u003e \u003cp\u003e\nThis chuck features a balanced scroll plate and hardened, ground working surfaces to ensure long tool life and dependable performance in daily machining. It’s supplied with a wrench and jaw configurations to cover common needs: one set of reversible hard jaws and one set of outside hard jaws. All Bison scroll chucks are 100% manufactured in the Bison Bial factory in Poland, a testament to consistent quality and reliability.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate for precise clamping\u003c\/b\u003e: Reduces runout and delivers smoother operation for concentric, repeatable grips on large-diameter workpieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardened and ground working surfaces\u003c\/b\u003e: Built to last, resisting wear and maintaining accuracy through extensive use and multiple cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReady-to-use with dual jaw sets and wrench\u003c\/b\u003e: Quick setup and versatile gripping options right out of the box, lowering downtime and increasing productivity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nIn everyday production, secure, repeatable clamping is essential for quality finishes and efficient workflows. This chuck provides reliable, consistent performance from setup to repeat runs, helping you achieve better finishes, faster changeovers, and reduced rework—backed by Bison’s Polish manufacturing legacy.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877558862,"sku":"3504-315","price":2036.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_c43547a9-3d5f-46eb-83cd-441ebc0514b7.png?v=1694801002"},{"product_id":"3504-400","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 400mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 rear-mount 3-jaw steel scroll chuck is designed for reliable workholding on your lathe. Built for engineers, machinists, and hobbyists alike, it delivers consistent gripping force on round stock and turned components while maintaining true runout.\n\u003c\/p\u003e \u003cp\u003eWith a 400mm size, this chuck features a balanced scroll plate and hardened, ground working surfaces for long life and repeatable results. It ships with a wrench and a comprehensive jaw assembly that includes reversible hard jaws and outside hard jaws. All Bison scroll chucks are 100% manufactured in the Bison Bial factory in Poland, a mark of their enduring quality and tool life.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate and hardened working surfaces\u003c\/b\u003e: Ensures stable grip with minimal runout and long service life under demanding turning applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete jaw set included\u003c\/b\u003e: Comes with a wrench and a jaw assembly featuring reversible hard jaws and outside hard jaws for quick adaptation to a range of part geometries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePoland-made durability\u003c\/b\u003e: 100% manufactured in the Bison Bial factory, delivering consistent quality, tool life, and reliable performance you can trust on the shop floor.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck provides dependable holding power, straightforward maintenance, and durable construction that supports steady production runs. The rear-mount design enhances rigidity, while the hardened jaws resist wear to maintain accuracy across repeated jobs—helping you speed up setups, reduce downtime, and achieve repeatable, high-quality finishes.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877591630,"sku":"3504-400","price":4101.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_55408bcf-aeea-45e5-8830-340e151c1fae.png?v=1694801006"},{"product_id":"3504-500","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 500mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3504 series rear-mount, 3-jaw steel scroll chuck offers secure, center-ready holding for a wide range of turning tasks. Built for reliability in professional shops and serious hobbyist setups, this large-capacity chuck provides straightforward clamping and durable performance you can count on.\u003c\/p\u003e \u003cp\u003eMade 100% in Poland at the Bison Bial factory, it features a balanced scroll plate and hardened, ground working surfaces for long tool life. Each unit is supplied with a wrench and a complete jaw kit (1 set of reversible hard jaws and 1 set of outside hard jaws) to cover common holding needs from delicate to heavy-duty work.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate for true running\u003c\/b\u003e: Minimizes runout and vibration for consistent concentricity at speed, delivering accurate results across a range of workpieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardened and ground working surfaces for long tool life\u003c\/b\u003e: Durable jaws and mating surfaces resist wear, preserving grip and reducing replacement costs over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount design with complete jaw kit\u003c\/b\u003e: Includes a wrench and two jaw sets (reversible hard jaws and outside hard jaws) for fast setup and versatile holding of various stock sizes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith this chuck, you gain a dependable, easy-to-use workholding solution that helps you keep parts turning true, reduces downtime when switching tasks, and delivers repeatable results across batches. Built in Poland to exacting standards, it offers consistent performance and long service life, making it a smart choice for professional shops, machine operators, and dedicated hobbyists alike.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877624398,"sku":"3504-500","price":9003.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_da947090-a397-4fb4-8c9e-6f8e4c7e11ac.png?v=1694801010"},{"product_id":"3504-630","title":"Bison Steel Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 630mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3504 series rear-mount, 3-jaw steel scroll chuck is built for demanding turning and machining tasks. Featuring a balanced scroll plate and hardened, ground working surfaces, it delivers smooth, consistent clamping and long service life. This 630mm chuck ships with a wrench and a jaw kit that includes 1 set of reversible hard jaws and 1 set of outside hard jaws. All Bison scroll chucks are 100% made in the Bison Bial factory in Poland and are renowned for exceptional quality and tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate\u003c\/b\u003e: Ensures smooth operation with reduced runout, delivering tighter Concentricity and better surface finish on each part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardened and ground working surfaces\u003c\/b\u003e: Provides durable, wear-resistant jaws and plates that hold accuracy under heavy use and over many cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInclusive jaw kit and wrench\u003c\/b\u003e: Includes a wrench and both reversible hard jaws and outside hard jaws for quick setup and versatile gripping without needing extra purchases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck is designed to deliver reliable, repeatable performance across a range of turning and machining applications. The combination of a balanced scroll and durable, precision-ground surfaces helps reduce downtime, improve part quality, and extend tool life, making it a dependable choice for workshops that demand consistent results. Made in Poland, it carries the Bison reputation for quality and long-lasting performance.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877657166,"sku":"3504-630","price":12882.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3504_02101eed-e3b4-4732-9e86-ed6101964c9f.png?v=1694801014"},{"product_id":"3575-125","title":"Bison Steel Scroll Chucks - 3 Jaws - 2 piece Jaw (Rear Mount) - 125mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3575 series is a front-mount, 3-jaw steel scroll chuck designed for precise, dependable workholding. Built for a wide range of turning tasks, it delivers steady grip, smooth operation, and long tool life across repeated cycles.\n\u003c\/p\u003e \u003cp\u003e\nThis chuck can also be rear-mounted with an adapter plate to fit different machines. It comes with a wrench and a complete two-piece jaw set (hard top jaws and hard master jaws). All Bison scroll chucks are 100% manufactured at the Bison Bial factory in Poland and are renowned for exceptional quality and tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate and hardened working surfaces\u003c\/b\u003e: Delivers uniform gripping force with reduced runout for consistent, repeatable results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount compatibility via adapter plate\u003c\/b\u003e: Adds versatile mounting options, expanding compatibility across different machines without buying a new chuck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes wrench and 2-piece jaw set (hard top + hard master)\u003c\/b\u003e: Ready to use out of the box with precise, durable jaws for fast setup and reliable grip.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned to streamline setup and deliver dependable performance, this chuck holds cylindrical parts securely, improves concentricity, and reduces downtime between jobs. Its 125 mm mounting size and rear-mount option cover a wide range of machines, so you can rely on a single chuck for multiple applications. With the included wrench and two-piece jaw set, you’re ready to switch between parts quickly while preserving grip quality and finish. Built in Poland to exacting standards, it promises long tool life and consistent results across many cycles.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877689934,"sku":"3575-125","price":1060.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3575_4fb9bd7b-e7b0-40ef-b616-40d8ad346426.png?v=1694801018"},{"product_id":"3575-160","title":"Bison Steel Scroll Chucks - 3 Jaws - 2 piece Jaw (Rear Mount) - 160mm","description":"\u003cdiv\u003e\n\u003cp\u003eThe Bison 3575 series front-mount, 3-jaw steel scroll chuck is a versatile, high-precision workholding solution for turning operations. Designed for parts up to 160 mm (6.3\") in diameter, it delivers secure grip on round workpieces and quick part cycling, making it ideal for builders, machinists, and hobbyists alike. The chuck can also be rear-mounted via an adapter plate to fit machines with different spindle configurations. Supplied with a wrench and a complete two-piece jaw set (hard top jaws and hard master jaws). All Bison scroll chucks are 100% made in the Bison Bial factory in Poland, renowned for quality and long tool life.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate with hardened, ground surfaces\u003c\/b\u003e: Delivers consistent grip, reduces runout, and extends tool life for reliable performance at speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFront or rear mounting versatility\u003c\/b\u003e: Adapts to a wide range of lathes; rear mounting with an adapter plate expands compatibility and reduces downtime when retrofitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete jaw set and wrench included\u003c\/b\u003e: Two-piece jaws (hard top and hard master) plus a wrench let you start holding a broad range of workpieces right away, saving setup time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its robust construction and Polish manufacturing heritage, this chuck delivers repeatable, secure clamping that keeps parts true and finishes clean. The combination of a balanced scroll plate and hardened, ground surfaces minimizes wear and maintains accuracy, while flexible mounting options protect your existing investment. The included wrench and two-piece jaw set ensure you’re ready to tackle a variety of jobs from day one, reducing downtime and boosting productive output across your shop.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877755470,"sku":"3575-160","price":1085.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3575_83774c4e-577b-4158-a4f4-fd9d9aa3bb97.png?v=1694801022"},{"product_id":"3575-200","title":"Bison Steel Scroll Chucks - 3 Jaws - 2 piece Jaw (Rear Mount) - 200mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3575 series front-mount, 3-jaw steel scroll chuck is designed for reliable, repeatable gripping on a wide range of turning tasks. At 200mm, it offers robust performance with a balanced scroll plate and hardened, ground working surfaces, and can be rear-mounted with an adapter plate. Supplied with a wrench and two-piece jaws (hard top jaws and hard master jaws), all components are 100% made in the Bison Bial factory in Poland for proven quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced, hardened scroll plate\u003c\/b\u003e: The precision-balanced scroll mechanism minimizes runout and the hardened, ground surfaces ensure consistent grip and extended jaw life for repeatable results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFront and rear mounting capability\u003c\/b\u003e: Front-mount operation with optional rear mounting via an adapter plate provides flexible compatibility across machines without needing multiple chucks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwo-piece hardened jaws plus wrench\u003c\/b\u003e: Includes one set of hard top jaws and one set of hard master jaws, plus a chuck wrench, so you can clamp a variety of workpieces right away and maximize jaw durability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis chuck streamlines your workflow by delivering secure, accurate holding, quick setup, and durable performance across demanding turning tasks. Built in Poland at the Bison Bial factory, it’s a trusted, long-lasting choice for engineers, machinists, and serious hobbyists alike.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877821006,"sku":"3575-200","price":1270.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3575_ca3dc616-fdfd-48d1-a453-964977b16968.png?v=1694801026"},{"product_id":"3575-250","title":"Bison Steel Scroll Chucks - 3 Jaws - 2 piece Jaw (Rear Mount) - 250mm","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Bison 3575 series front-mount, 3-jaw steel scroll chuck (250 mm diameter) offers reliable, repeatable workholding for turning operations. It features a balanced scroll plate and hardened, ground working surfaces to minimize runout and wear, helping you maintain accuracy across batches.\n\u003c\/p\u003e \u003cp\u003e\nThe chuck can also be rear mounted using an adapter plate to adapt to different machines and setups. Each unit is supplied with a wrench and a 2-piece jaw set (one set of hard top jaws and one set of hard master jaws). All Bison scroll chucks are 100% made in the Bison Bial factory in Poland, a mark of consistent quality and long tool life.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBalanced scroll plate for precise grip\u003c\/b\u003e: Smooth, stable clamping reduces runout and helps you achieve consistent turning results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncludes 2-piece jaw set\u003c\/b\u003e: Hard top jaws and hard master jaws provide secure, repeatable holds across common workpieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRear-mount compatibility\u003c\/b\u003e: Adapter plate enables rear mounting, offering flexible installation to suit different machines and workflows.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned for durability and reliability, this Bison scroll chuck is built to withstand daily workshop use. With hardened surfaces and precise manufacturing, you can rely on long tool life and consistent performance across jobs, backed by Polish craftsmanship.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bison","offers":[{"title":"Default Title","offer_id":40282877853774,"sku":"3575-250","price":1638.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3575_0bb74334-b02d-4265-939a-2d840c2a56ca.png?v=1694801030"}],"url":"https:\/\/www.protool-ltd.co.uk\/collections\/bison-3-jaw-scroll-chucks.oembed","provider":"Protool Precision Tools","version":"1.0","type":"link"}