Fasteners,nuts,bolts,nuts and bolts
Features:
1) From M3 to M30
2) Low-carbon and mid-carbon steel
Packing: Carton,...

Materials: SAE4135/1045/5140/40CR/35CRMO/45#
Grade:8.8/10.9/12.9
Surface Protection: Black oxide, Phosphate, Zinc plated.......
Model Number: Hub bolts and U bolts