Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 315mm

The 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.

Sized 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.

• Rear-mount design with ground working surfaces: Delivers stable mounting on the spindle and precise seating, reducing runout and ensuring accurate, repeatable holding during cutting.
• Versatile jaw set included: Includes reversible hard jaws and outside hard jaws plus a wrench, enabling fast setup and seamless switching between gripping strategies for different part shapes.
• Robust cast iron construction with 315 mm capacity: Built for durability and steady performance under load, providing long service life and reliable performance on demanding turning tasks.

With 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.