40Cr 12.9grade high strength plow bolt China manufacturer,cutting edge bolt, bolts and nuts on excavator bucket teeth ,
Name | Plow bolt |
Color | Black/gray |
Size | Diameter from 1/2"-1.1/8",M12-M30 |
Mechanical grade | 10.9/12.9 |
Case hardening | HRC 38-43 |
Surface treatment | Phosphorization or black plow bolt |
Technology | Forging and thermal refining plow bolt |