{"product_id":"3227-250","title":"225-250mm 8.86-9.84\" Three Point Internal Bore Micrometer - 3227 Series (Insize)","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Insize 3227 Series Three-Point Internal Bore Micrometer is built for precise internal measurements in holes and bores. Designed for a 225–250 mm (8.86–9.84\") range, this tool uses a three-point contact setup to minimize bore distortion and deliver repeatable readings. Its carbide measuring faces and ratchet stop enhance durability and control, making it a reliable choice for everyday workshop and production environments.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTwo interchangeable jaws for different measuring ranges\u003c\/b\u003e: Quickly switch between jaw sets to cover multiple bore sizes without replacing the instrument, boosting setup speed and maintaining accuracy across the 225–250 mm range and beyond.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide faces with ratchet stop for durability and repeatable readings\u003c\/b\u003e: Carbide measuring faces resist wear for long life, while the ratchet stop provides consistent contact pressure to prevent over-tightening and ensure reliable measurements every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtension rods included with optional setting ring\u003c\/b\u003e: Comes with extension rods for deeper bores and an optional setting ring (code 6312) to pre-set measurements, helping you speed up workflows and reduce setup errors.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis bore micrometer is designed to deliver clear, dependable results in manufacturing, engineering, and maintenance tasks. With a focus on durability, ease of use, and repeatable performance, it supports accurate bore checks, quick setups, and confidence in every measurement.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Insize","offers":[{"title":"Default Title","offer_id":43572602208334,"sku":"3227-250","price":1173.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3227-INSIZE-1_9286d7d8-f4d0-424a-ab8d-e30cd5d7e5b8.jpg?v=1774261595","url":"https:\/\/www.protool-ltd.co.uk\/products\/3227-250","provider":"Protool Precision Tools","version":"1.0","type":"link"}