Surface Roughness Standards Set, Surface Finish Comparator Set, 30 Specimens with Ra0.05-12.5mm

الوصف

🔧 Elevate Your Standards with Precision!

The Surface Roughness Standards Set includes 30 specimens ranging from Ra0.05 to 12.5mm, made from durable 45# carbon structural steel. This set is essential for instrument calibration, quality control, and serves as a valuable teaching aid in mechanical engineering.