{"product_id":"3227-16","title":"12-16mm 0.47-0.63\" Three Point Internal Bore Micrometer - 3227 Series (Insize)","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Insize 3227 Series Three Point Internal Bore Micrometer is a precision tool designed for accurate internal bore measurements in 12–16 mm applications. Its three-point contact system evenly engages the bore, delivering repeatable readings across multiple checks for components such as cylinders, gears, or housings.\n\u003c\/p\u003e \u003cp\u003e\nWith carbide measuring faces for exceptional wear resistance and a built-in ratchet stop, this micrometer provides consistent measuring force and long service life. It also includes a setting ring to help you establish and reproduce reference measurements quickly and reliably.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThree-Point Contact Design\u003c\/b\u003e: Ensures stable, repeatable readings by minimizing eccentricity and grip variation when measuring bores, improving accuracy across repeated checks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide Measuring Faces\u003c\/b\u003e: Deliver superior wear resistance, maintaining precision even when measuring through hardened or frequently used bores over extended periods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRatchet Stop with Setting Ring\u003c\/b\u003e: Provides consistent measuring pressure for repeatable results and a straightforward setup to quickly establish reference sizes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis micrometer helps you streamline inspection, improve measurement reliability, and support quality control in both production and workshop environments. Built for durability and precision, the Insize 3227 is a trusted choice for engineers, machinists, and hobbyists who demand consistent bore verification with minimal setup.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Insize","offers":[{"title":"Default Title","offer_id":43572600569934,"sku":"3227-16","price":219.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/3227-INSIZE-1_dc07cb46-4da0-4aec-a402-d12f1604e2d5.jpg?v=1774261516","url":"https:\/\/www.protool-ltd.co.uk\/products\/3227-16","provider":"Protool Precision Tools","version":"1.0","type":"link"}