1) Size: 0.5mm-25.4mm
2) Different Grades: G5,G10,G20 G40, G100, G500, G1000.
3) Certificate: ISO-9001, TS-16949
4) Hardness: Over HRC 52.
5)Feature: General rust resistance, better hardness, and lower price
6) Application: Exactitude machines, bearings, ball screws, linear motion guides, automobile parts, chemical and food processing.