{"product_id":"ultra-precision-1-2-3-blocks-set-with-screw-matche","title":"Ultra Precision 1 2 3 Blocks Set With Screw Matched Pair And 23 Holes Hardened Steel 1x2x3 Inch Setup Blocks For CNC Milling And Precision Machining With Cross Drilling Design And.0001 Inch Squareness And.0001 Inch Parallelism In A Handy Plastic Case","description":"\u003cdiv\u003ePrecision 1x2x3 block set with 23 holes for machining\u003cbr\u003e\n✔️ 0.0001 in squareness, ±0.0001 in parallelism, HRC 56-60 \u003cp\u003eThis ultra-precision 1-2-3 block set gives machinists a reliable reference for fixtures and setup in CNC milling, drilling, and metalworking. Ground on all six sides from hardened stainless steel, the blocks stay flat and square under load, and the cross-drilled design reduces weight while keeping strength. The set includes a matched pair, five socket head cap screws, a hex key, and a fitted plastic case for portability and protection.\u003c\/p\u003e ✅ Matched pair blocks: 1 x 2 x 3 in (25.4 x 50.8 x 76.2 mm) ✅ 23 holes total; 5 tapped to 3\/8-16, rest untapped (8.9 mm) ✅ Cross drilling design for lighter weight and strong fixtures ✅ Hardened stainless steel, ground on all six sides, HRC 56-60 ✅ Tolerances: squareness 0.0001 in, parallelism ±0.0001 in, height ±0.0001 in ✅ Includes 1 matched pair, 5 screws, hex key, fitted plastic case\u003cbr\u003e \u003cp\u003e💡 What is a precision 1-2-3 block set used for in precision machining setups? Handy alignment reference to boost repeatable setup accuracy for milling, drilling, and fixture work.\u003c\/p\u003e - Handy reference for squaring and aligning workpieces in milling and drilling setups\n- Keeps tight tolerances for accurate fixtures and jigs in CNC workflows\n- Great for transferring measurements and setting zero references for repeatable operations\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404472414527,"sku":"VXB0BN865VRC","price":95.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/71zhbVGzfqL.jpg?v=1776663465","url":"https:\/\/bearingscanada.com\/products\/ultra-precision-1-2-3-blocks-set-with-screw-matche","provider":"Bearings Canada","version":"1.0","type":"link"}