{"product_id":"six-piece-vertical-milling-surface-roughness-compa","title":"Six Piece Vertical Milling Surface Roughness Comparator Set Ra 16 To 500 Microinches Seven Eighths Inch Specimens Realistic Finish Reproduction For Shop Floor Machined Surface Inspection And Calibration","description":"\u003cdiv\u003eSix-Piece Milling Roughness Comparator Set for Ra 16-500 µin\u003cbr\u003e\n✔️ Includes 6 specimens of 7\/8 W x 3\/8 L, Ra 16-500 µin \u003cp\u003eThis six-piece vertical milling surface roughness comparator set provides realistic roughness references for shop floor inspection and calibration of machined surfaces. It’s designed to let you quickly compare a sample against standard Ra values in manufacturing environments.\u003c\/p\u003e ✅ Number of specimens: 6 \u003cbr\u003e\n✅ Specimen size: 7\/8\" W x 3\/8\" L (22.23 mm x 9.53 mm) \u003cbr\u003e\n✅ MFG SKU#: 303-9396 \u003cbr\u003e\n✅ Surface finish range: Ra 16 to 500 microinches \u003cbr\u003e\n✅ Conforms to SAE ANSI-B-46.1-1978 and MIL-STD-45662 \u003cbr\u003e\n✅ Pack: Six-piece set \u003cbr\u003e\n \u003cp\u003e💡 What is a milling surface roughness comparator used for in manufacturing inspection? This handy tool helps you compare real machined surfaces against standard roughness values.\n- Quick Ra reference for shop floor checks on finished parts\n- Handy calibration aid for measurement methods and processes\n- Supports SAE ANSI-B-46.1-1978 and MIL-STD-45662 roughness standards\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49139240173803,"sku":"VXB0DF49N6V8","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/81gB3l5PslL.jpg?v=1785676714","url":"https:\/\/vxb.com\/products\/six-piece-vertical-milling-surface-roughness-compa","provider":"VXB Bearings","version":"1.0","type":"link"}