GB/T 18230.5-2000
Plain washers for high-strength structral bolting hardened and tempered
GB/T 1230-2006
Washers for high strength steel structural
GB/T 32076.5-2015
High-strength structural bolting assemblies for preloading-Part 5：Plain washers
GB/T 32076.6-2015
High-strength structural bolting assemblies for preloading-Part 6：Plain chamfered washers
GB/T 9074.24-1988
Plain washers for assemblies
GB/T 9074.25-1988
Large plain washer for assembly
GB/T 851-1988
Washers with split-type A
GB/T 851-1988
Washers with split-type B
ISO 7089-2000
Plain washers—Normal series
ISO 7090-2000
Plain washers, chamfered-Normal series
ISO 7091-2000
Plain washers-Normal series
ISO 7092-2000
Plain washers-Small series
ISO 7093-1-2000
Plain washers—large series
ISO 7093-2-2000
Plain washers—Large series
DIN 9021-1990
Large plain washers
ISO 7094-2000
Plain washers—Extra large series
ISO 7415-1984
Plain washers for high-strength structural bolting,hardened and tempered
ISO 7416-1984
Plain washers,chamfered,hardened and tempered for high-strength structural bolting
ISO 8738-1986
Plain washers for clevis pins
DIN 1440-1974
Washers, type medium for bolts
