GB/T 6178-1986
Crown nut with slot,style 1
GB/T 9457-1988
Crown nut with slot,style 1,,Fine pitch thread
GB/T 9458-1988
Crown nut with slot,style 2,Fine pitch thread
DIN 935-1-1987
Crown nut with slot(big on edge)
DIN 935-1-1987
Crown nut with slot
DIN 937-1983
Crown nut with thin slot
DIN 937-1983
Crown thin nut with slot
DIN 979-1987
Crown thin nut with slot(big on edge)
DIN 979-1987
Crown thin nut with slot
BS 3692-2001
Crown nut with slot
BS 1083-1965
Hexagon castle nuts
BS 1083-1965
Hexagon castle nuts-full bearing
BS 1083-1965
Hexagon castle nuts-washer faced
JB/ZQ 4331-2006
Crown nut with slot
Q 381B-1999
Crown nuts with slot,style 1,,Fine pitch thread
Q 381C-1999
Crown nuts with slot,style 1,,Fine pitch thread
Q 383-1999
Crown nut with slot,style 2,Fine pitch thread
Q 383B-1999
Crown nut with slot,style 2,Fine pitch thread
JIS B1170-1-2001
Type 2 fine hexagon slotted nuts-Table 1
JIS B1170-1-2001
Type 4 fine hexagon slotted nuts-washer faced-Table 1
