Standard | DIN DIN931960 GB5782 ISO4014 |
El tamaño | M12-M64 |
El grado | 4.8 8.8 10.9 12.9 |
Terminar | Negro,la auto-color, H.D.G, YZP, Darcromet |
Material | Q195 35 45##, 40CR, 35CrMo,42CrMo |