{"product_id":"pro-grade-surface-roughness-specimen-set-for-preci","title":"Pro Grade Surface Roughness Specimen Set For Precision Grinding QA 8 Piece Ra Range From 1 To 125 Microinches And Rz Range From 11 To 625 Microinches Includes Ra Rz Symbols Ideal For Checking Identification And Specifying Roughness","description":"\u003cdiv\u003e8-Piece Surface Roughness Specimen Set for Precision QA\u003cbr\u003e\n✔️ Ra 1-125 μin, Rz 11.8-625 μin, 8-piece nickel specimen set \u003cp\u003eThese surface roughness specimens provide eight distinct Ra and Rz references used as a quick standard for grinding QA labs and manufacturing setups. They help identify roughness symbols and ensure measurement consistency across operators.\u003c\/p\u003e ✅ Quantity: 8 pieces\u003cbr\u003e\n✅ Ra range: 1-125 μin\u003cbr\u003e\n✅ Rz range: 11.8-625 μin\u003cbr\u003e\n✅ Machining method: surface grinding\u003cbr\u003e\n✅ Material: pure nickel\u003cbr\u003e\n✅ Includes Ra\/Rz symbols for roughness identification\u003cbr\u003e\n✅ Accuracy: ra\u0026lt;4 μin: +20%\/−25%; ra\u0026gt;4 μin: +12%\/−17%\u003cbr\u003e\n✅ ISO 2632 compliant\u003cbr\u003e \u003cp\u003e💡 What is a surface roughness specimen set used for in precision grinding QA?\nThis handy tool helps verify roughness readings and labeling standards.\n- Handy for quick Ra and Rz reference checks on production parts\n- Helps staff recognize roughness symbols and document acceptable ranges\n- Supports ISO 2632 compliance and measurement consistency\n\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49139266945259,"sku":"VXB01GRXKOBI","price":455.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/81ip_kmdWRL_8c0be941-98b4-4894-b923-fdd38bd1effb.jpg?v=1785677837","url":"https:\/\/vxb.com\/products\/pro-grade-surface-roughness-specimen-set-for-preci","provider":"VXB Bearings","version":"1.0","type":"link"}