Round head
Flat round head
Cheese
T-head
Cup head square neck
Cup head nib
Cup oval neck
Low cheese head
GB/T 14-1998
Cup head square neck bolts with large head
GB/T 3632-2008
Sets of torshear type high strength bolt hexagon nuts and plain washer for steel structures
GB/T 16939-2016
High strength bolts for joints of space grid structures
GB/T 12-1988
Cup head square neck bolts
GB/T 801-1998
Cup head square neck bolts with small head and short neck
GB/T 801-1988
Cup head square neck bolts with small head and short neck
GB/T 14-1988
Cup head square neck bolts with large head
GB/T 794-1993
Strengthened cup head square neck bolts-Type A
GB/T 13-1988
Cup head nib bolts
GB/T 15-1988
Cup head nib bolts with large head
GB/T 12-2013
Cup head square neck bolts
GB/T 13-2013
Cup head nib bolts
GB/T 14-2013
Cup head square neck bolts with large head
GB/T 15-2013
Cup head nib bolts with large head
GB/T 16939-1997
High strength bolts for joints of space grid structures
GB/T 32076.8-2017
Sets of torshear type high strength bolt hexagon nuts and plain washer for steel structures
GB/T 8262-1987
Bolts,round head with oval neck
GB/T 801-2021
Cup head square neck bolts with small head and short neck
GB/T 794-2021
Strengthened cup head square neck bolts-Type A
GB/T 794-2021
Strengthened cup head square neck bolts-Type B
