GB/T 812-1988
Round nuts(d≤M100)
GB/T 812-1988
Round nuts(d≥M105)
GB/T 810-1988
Small round nuts(d≤M100)
DIN 981-1983
Locknuts for use with rolling bearings—Type 1
DIN 981-1983
Big lock nuts for use with rolling bearings-Type 1
DIN 1804-1971
Slotted round nuts for hook spanner,ISO metric fine thread
JB/T 1700.2-1991
Lock nut
Q 391-1999
Round nuts
BS 4185-1-1-1967
Metric slotted round nuts-Table 1
BS 4185-1-2-1967
Inch slotted round nuts-Table 2
BS 4185-1-1-2002
Metric slotted round nuts-Table 1
BS 4185-1-1-2007
Metric slotted round nuts-Table 1
BS 4185-1-1-2012
Metric slotted round nuts-Table 1
BS 4185-1-1-2017
Metric slotted round nuts-Table 1
BS 4185-1-2-2002
Inch slotted round nuts-Table 2
BS 4185-1-2-2012-2007
Inch slotted round nuts-Table 2
BS 4185-1-2-2012
Inch slotted round nuts-Table 2
BS 4185-1-2-2017
Inch slotted round nuts-Table 2
Q 391-2012
Round nuts
CNS 4465-1978
Slotted Round Nut