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

Six-Piece Milling Roughness Comparator Set for Ra 16-500 µin
✔️ Includes 6 specimens of 7/8 W x 3/8 L, Ra 16-500 µin

This 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.

✅ Number of specimens: 6
✅ Specimen size: 7/8" W x 3/8" L (22.23 mm x 9.53 mm)
✅ MFG SKU#: 303-9396
✅ Surface finish range: Ra 16 to 500 microinches
✅ Conforms to SAE ANSI-B-46.1-1978 and MIL-STD-45662
✅ Pack: Six-piece set

💡 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. - Quick Ra reference for shop floor checks on finished parts - Handy calibration aid for measurement methods and processes - Supports SAE ANSI-B-46.1-1978 and MIL-STD-45662 roughness standards

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