{"product_id":"3227-75","title":"62-75mm 2.44-2.95\" Three Point Internal Bore Micrometer - 3227 Series (Insize)","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Insize 3227 Internal 3-point bore micrometer is a precision tool designed for accurate inside-diameter measurements. Its three-point contact delivers stable, repeatable readings, making it ideal for engineers, machinists, and quality-control staff who work with tight bore tolerances.\n\u003c\/p\u003e \u003cp\u003e\nDesigned for bore sizes from 62 to 75 mm (2.44–2.95 in) and capable of measuring up to 300 mm, this micrometer features carbide measuring faces for wear resistance and a ratchet stop to ensure constant measuring pressure. It is graduated in 0.005 mm increments and comes supplied with a setting ring to simplify zeroing and repeat measurements.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThree-Point Contact for Stable Readings\u003c\/b\u003e: The three-point contact design distributes pressure evenly, improving repeatability and reducing measurement variance across bores.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Carbide Faces with Ratchet Stop\u003c\/b\u003e: Carbide measuring faces resist wear for long tool life, while the ratchet stop provides consistent pressure and protects accuracy over many cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Range, Fine Graduation, and Included Setting Ring\u003c\/b\u003e: Measures up to 300 mm with 0.005 mm increments, and the included setting ring lets you zero quickly for fast, repeatable results.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis bore micrometer helps you speed up inspection and maintenance workflows by delivering reliable, repeatable inside-diameter measurements. Its rugged construction and precise graduations translate into tighter tolerances, fewer reworks, and more confident decisions in busy production environments.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Insize","offers":[{"title":"Default Title","offer_id":43572601880654,"sku":"3227-75","price":408.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3227-INSIZE-1_ed68b1e4-6cda-46f7-9edf-cc443b8f4066.jpg?v=1774261553","url":"https:\/\/www.protool-ltd.co.uk\/products\/3227-75","provider":"Protool Precision Tools","version":"1.0","type":"link"}