{"product_id":"10-pair-18-x-5-machinist-parallel-block-tool-set-f","title":"10 Pair 1\/8 X 5 Machinist Parallel Block Tool Set For Precision Milling Pro Grade Ultra Accurate To 0.0002 In Parallelism 1\/2 To 1-5\/8 Inch Range Alloy Steel 40Cr Matched Parallel Bars","description":"\u003cdiv\u003eHigh-precision 10-Pair 1\/8 x 5 Machinist Parallel Block Set\u003cbr\u003e\n✔️ 20 pcs, 10 sizes, 40Cr steel, 0.0002 in parallelism tolerance \u003cp\u003eThese precision machinist parallel blocks are compact 5-inch long tools crafted from 40Cr steel. They are essential in metalworking and woodworking fixture setups to ensure exact squareness and stable parallelism during milling, drilling, and inspection tasks.\u003c\/p\u003e \u003cp\u003e✅ Material: 40Cr steel for strong, wear‑resistant blocks\u003cbr\u003e✅ Size range: 5\" length, 1\/8\" thick, widths from 1\/2\" to 1-5\/8\"\u003cbr\u003e✅ Accuracy: size tolerance ±0.0003\", parallelism 0.0002\"\u003cbr\u003e✅ Hole options: matched holes per pair, sizes 13\/64\" to 1\/2\"\u003cbr\u003e✅ Pack includes 20 blocks (10 sizes), two each, boxed for protection\u003cbr\u003e✅ Hardness: HRC52-58 for durable use\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a machinist parallel block set used for in precision milling? They provide precise reference planes to align workpieces and fixtures during milling and drilling.\u003cbr\u003e- Handy for quick squaring in fixed setups\u003cbr\u003e- Improves parallelism and repeatability in milling and drilling\u003cbr\u003e- Works with standard vises and fixtures for a ready-to-use setup\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48251322237163,"sku":"VXB0BN14XT12","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61Fu1CW10lL.jpg?v=1778579508","url":"https:\/\/vxb.com\/products\/10-pair-18-x-5-machinist-parallel-block-tool-set-f","provider":"VXB Bearings","version":"1.0","type":"link"}