JIS B1256-1-1978
Small circular washers-Table 1
JIS B1256-2-1978
Finished circular washers-Table 2
JIS B1256-3-1978
Regular circular washers-Table 3
JIS B1186-3-1995
High strength washer for friction grip joints-Table 3
JIS B1186-3-2007
High strength single chamfered washer for friction grip joints-Table 3
JIS B1186-3-2007
High strength washer for friction grip joints-Table 3
GOST P52646-2006
Plain washers for high-strength structural bolting,hardened and tempered
JIS B1220-2010
Regular circular washers for structures
JIS B1258-2012
Small circular washers
JIS B1258-2012
Regular circular washers
JIS B1258-2012
Large circular washers
JIS B1258-2006
Small circular washers
JIS B1258-2006
Regular circular washers
JIS B1258-2006
Large circular washers
ISO 10673-2009
Plain washers for screw and washer assemblies—Type S，small series
ISO 10673-2009
Plain washers for screw and washer assemblies—Type N，normal series
ISO 10673-2009
Plain washers for screw and washer assemblies—Type L，large series
NF E25-520-2009
Plain washers for screw and washer assemblies—Type S，small series
NF E25-520-2009
Plain washers for screw and washer assemblies—Type N，normal series
NF E25-520-2009
Plain washers for screw and washer assemblies—Type L，large series
