Pocket Size Surface Roughness Comparator Set With 30 Specimens Ra0.05 To 12.5mm Microfinish Gauge For Lathe Machining And Manufacturing Teaching High Precision Surface Finish Checkers Kit

Pocket-Size Surface Roughness Comparator Set for Precision
✔️ 30-specimen set covers Ra 0.05 to 12.5 mm, pocket-size and portable

This pocket-size surface roughness comparator kit includes 30 standardized samples to visually compare and measure surface finishes. It's designed for lathe machining and manufacturing teaching labs, making it ideal for quick checks, training, and quality control in engineering settings.

✅ 30 specimens cover roughness from Ra0.05 to 12.5 mm
✅ Measures roughness across six processing methods: horizontal milling, vertical milling, turning, plain grinding, flat lapping, external grinding
✅ Clear labeling and one-to-one correspondence for easy side-by-side comparisons
✅ Made from 45 super carbon steel with a protective oil film to resist rust
✅ Compact pocket-size design for classroom demos and on-site checks
✅ Suitable for quality control, instrument calibration, and teaching in colleges

💡 What is a handy question about surface roughness comparators?

This tool helps engineers and students quickly verify surface finishes in real-world work and training environments. - quick visual and measurement-based surface finish comparison for parts - handy for quality control, calibration, and shop-floor demonstrations in manufacturing - supports six common machining methods: horizontal milling, vertical milling, turning, plain grinding, flat lapping, external grinding - helps learners understand tolerance targets and process capability