{"product_id":"surface-finish-comparator-set-with-30-specimens-fo","title":"Surface Finish Comparator Set With 30 Specimens For Flat Lapping Reaming Grinding Turning And Milling - Pro Grade Roughness Gauges For Quick Reliable Part Inspection On The Shop Floor","description":"\u003cdiv\u003eSurface Finish Comparator Set: 30 Nickel Specimens for QC\u003cbr\u003e\n✔️ 30 nickel specimens; AA roughness, ±12% accuracy \u003cp\u003eThe Surface Finish Comparator Set is a pro-grade collection of 30 surface roughness specimens for quick, on-the-floor inspection of machined parts. Typical uses include flat lapping, reaming, grinding, turning, horizontal and vertical milling. Each nickel specimen measures 0.875 in × 0.375 in (22.23 mm × 9.53 mm) and shows AA roughness values to mirror real machining textures.\u003c\/p\u003e \u003cp\u003e✅ 30 AA roughness specimens (nickel, electro-formed) with accurate AA grades\u003cbr\u003e✅ Each specimen measures 0.875 in × 0.375 in (22.23 mm × 9.53 mm)\u003cbr\u003e✅ Microinch and micron values displayed, accuracy within ±12% of nominal\u003cbr\u003e✅ Two easy comparison methods: loupe and scratch test\u003cbr\u003e✅ Includes vinyl wallet and instruction sheet\u003c\/p\u003e \u003cp\u003e💡 What is a surface finish comparator set used for in precision machining quality control? The handy tool provides a quick reference to assess finish texture and feel on machined parts.\n- quick texture and feel reference\n- supports faster pass\/fail decisions on lapping, grinding, turning, and milling\n- helps reduce scrap and rework by aligning inspections with standard roughness values\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49139250233579,"sku":"VXB00B5HQWFO","price":442.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/81bdzSFtMmL.jpg?v=1785676990","url":"https:\/\/vxb.com\/products\/surface-finish-comparator-set-with-30-specimens-fo","provider":"VXB Bearings","version":"1.0","type":"link"}