FLANGE BOLTS
| Flange bolts/Assembling bolt | ||
| Executive standard | GB5789 GB5787 GB16674 DIN6921 GB9074 etc | |
| Class | 8.8 | 35K、10B21 |
| 10.9 | 40Cr、10B21 | |
| 12.9 | SCM435、35CrMoA、42CrMoA | |
| Surface finishing | Black,phosphate,zinc,hot dip galvanized, Dacromet,Geomet etc | |
| Flange bolts/Assembling bolt | ||
| Executive standard | GB5789 GB5787 GB16674 DIN6921 GB9074 etc | |
| Class | 8.8 | 35K、10B21 |
| 10.9 | 40Cr、10B21 | |
| 12.9 | SCM435、35CrMoA、42CrMoA | |
| Surface finishing | Black,phosphate,zinc,hot dip galvanized, Dacromet,Geomet etc | |
