GB/T 39-1988
Square nuts
DIN 557-1985
Square nuts(big on edge)
DIN 557-1985
Square nuts
DIN 562-1987
Square thin nuts
DIN 562-1987
Square thin nuts(big on edge)
DIN 798-1972
Special foundation nuts for special foundation bolts according to DIN 797
Q 310B-1999
Square nuts
JIS B1163-1995
Finished square nuts
JIS B1163-1995
Semi-finished square nuts
JIS B1163-1995
Regular square nuts
JIS B1163-2001
Finished square nuts
JIS B1163-2001
Semi-finished square nuts
JIS B1163-2001
Regular square nuts
BS 4183-8-1967
Metric square machine screw nuts-Table 8
BS 4183-8-2013
Metric square machine screw nuts-Table 8
DIN 557-1994
Square nuts
DIN 557-1994
Square nuts(big on edge)
DIN 562-2000
Square thin nuts
DIN 562-2013
Square thin nuts
JIS B1163-2009
Finished square nuts
