GB/T 6178-1986
Hexagon slotted and castle nuts,style 1
GB/T 6178-1986
Crown nut with slot,style 1
GB/T 9457-1988
Hexagon slotted and castle nuts,style 1,Fine pitch thread
GB/T 9457-1988
Crown nut with slot,style 1,,Fine pitch thread
GB/T 6181-1986
Hexagon thin slotted nuts
GB/T 6179-1986
Hexagon slotted nuts,style 1
GB/T 6180-1986
Hexagon slotted and castle nuts,style 2
GB/T 6180-1986
Crown nut with slot,style 2
GB/T 9458-1988
Hexagon slotted and castle nuts,style 2,Fine pitch thread
GB/T 9458-1988
Crown nut with slot,style 2,Fine pitch thread
GB/T 9459-1988
Hexagon slotted nuts with fine pitch-thread
DIN 935-1-1987
Hexagon slotted and castle nuts(big on edge)
DIN 935-1-1987
Hexagon slotted and castle nuts
DIN 935-1-1987
Crown nut with slot(big on edge)
DIN 935-1-1987
Crown nut with slot
DIN 935-3-1987
Hexagon slotted nuts with metric coarse pitch thread (big on edge)
DIN 935-3-1987
Hexagon slotted nuts with metric coarse pitch thread
DIN 937-1983
Hexagon thin castle nuts
DIN 937-1983
Crown nut with thin slot
DIN 937-1983
Crown thin nut with slot