Surface Roughness Standards Kit With 30 Comparators And 5X Magnifying Glass, Ra0.05-12.5mm Range, Precision Finish Gauge For Lathe Machining, Manufacturing, And Shop Training, Easy Compare And Quality Check
✔️ 30 Ra0.05-12.5 mm samples with 5X magnifier included
The Surface Roughness Standards Kit provides a robust set of calibrated samples designed to help precision machining teams quickly assess surface finishes across milling, turning, and grinding operations. It is ideal for quality control, instrument calibration, and shop training in manufacturing environments.
✅ Ra range: Ra0.05-12.5 μm calibration in uAA and metric equivalents.
✅ Measures six processing methods: Horizontal Milling, Vertical Milling, Turning, Plane Grinding, Flat Lapping, External Grinding.
✅ Made from No.45 high-carbon steel with rust-protective oil film.
✅ Clearly labeled model numbers aligned with corresponding specimens for simple comparison.
✅ Includes a 5X magnifying glass to aid identification.
✅ Suitable for QC, calibration, and teaching in engineering programs.
💡 What is a surface roughness standards kit used for in precision machining and QA?
It helps teams quickly compare finishes and calibrate instruments for consistent results.
- surface finish comparison across milling, turning, and grinding operations
- quick QA checks and operator training in shop settings
- calibrated Ra values covering Ra0.05-12.5 μm for reliable checks
- supports teaching and quality assurance in engineering programs