Surface Roughness Stand Comparator Set With 30Pcs Blocks Ra0.05-12.5um For Roughness Tester Gauge Pro Grade Calibration And Visual Comparison For Machining QA
✔️ 30 AA/Ra roughness blocks, metric µm, for fast visual QA
This surface roughness stand comparator set is used for quick, visual comparison of surface finishes and to calibrate roughness gauges in machining QA environments. It’s commonly applied on shop floors and in quality labs to support hands-on assessment during production and inspection tasks.
✅ 30 specimens calibrated in AA (Arithmetical Average) and metric Ra (µm) across six key machining methods
✅ Material: 45 super carbor steel blocks with GCr15 plating on the sample block
✅ Ra0.05-12.5 µm range covered for visual comparison and eye estimation
✅ Used with a roughness tester gauge for pro-grade calibration and quick QA checks
💡 What is a surface roughness comparator set used for in machining QA?
It’s handy for quick, visual roughness checks and calibration during QA tasks.
- Handy for quick, visual roughness comparison against AA values and Ra in µm - Helps calibrate roughness testers and maintain a pro-grade reference - Supports fast QA records during machining operations✝️