JIS B2706-2013
Heavy duty conical spring washers
CNS 4252-1978
Wave spring lock washers—Type B
CNS 4252-1978
Curved spring lock washers—Type A
CNS 4255-1978
Spring washers with safety ring—Type A
CNS 4255-1978
Spring washers with safety ring—Type B
CNS 4309-1978
Conical spring washers—Type A
CNS 4309-1978
Conical spring washers—Type B
CNS 4406-1978
Curved spring lock washers—Type A
CNS 4406-1978
Wave spring lock washers—Type B
CNS 4407-1978
Wave spring lock washers for screw assemblies
ASME/ANSI B18.21.1-1-1999
Regular helical spring lock washers-Table1
ASME/ANSI B18.21.1-2-1999
Heavy helical spring lock washers-Table2
ASME/ANSI B18.21.1-3-1999
Extra-duty helical spring lock washers-Table3
ASME/ANSI B18.21.1-4-1999
High-collar helical spring lock washers-Table4
ASME/ANSI B18.21.3-1-2013
Double coil helical spring lock washers for wood structures-Table 1
ASME/ANSI B18.21.3-2-2013
Double coil helical spring lock washers for wood structures-Table 2
ASME/ANSI B18.21.3-1-2017
Double coil helical spring lock washers for wood structures-Table 1
ASME/ANSI B18.21.3-2-2017
Double coil helical spring lock washers for wood structures-Table 2
ASME/ANSI B18.21.1-1-2005
Regular helical spring lock washers-Table1
ASME/ANSI B18.21.1-2-2005
Heavy helical spring lock washers-Table2