Material | 40Cr,35CrMo,42CrMo |
Grade | 10.9, 12.9 |
Hardness | HRC33-38 39-42 |
Finish | Black oxide, Phosphated, Zinc plated, Dacromet |
Color | Black, Grey, Yellow, Silver |
Packing | 5 pcs in a box, 40 pcs in a carton |
Process |
M2-M24:Cold Froging,M24M100 Hot Forging,
Machining and CNC for Customized fastener |