 | UDC 621.882.6 | GB 8-88 |
代替 GB8-76 | | 方头螺栓 C级 | | Square head bolts-Product grade C |
|
 | UDC 621.882.6 | GB 11-88 |
代替 GB11-76 | | 沉头带榫螺拴 | | Flat countersunk nib bolts |
|
 | ISO 8677:1986 | GB 14-1998 |
代替 GB14-88 | | 大半圆头方颈螺栓 C级 | | Cup head square neck bolts with large head-Product grade C |
|
 | UDC 621.882.6 | GB 798-88 |
代替 GB798-76 | | 活节螺栓 | | Eye bolts |
|
