GB/T 97.1-2002
Plain washers
GB/T 93-1987
Spring washers
GB/T 3632-2008
Plain washer for Sets of torshear type high strength bolt for steel structures
GB/T 32076.7-2015
High-strength structural bolting saaemblies for preloading-Part 7:System HV-Washers for high strength steel structural
GB/T 97.3-2000
Plain washers for clevis pins
GB/T 5287-1985
Extra large washers
GB/T 7244-1987
Heavy duty spring washers
GB/T 96.1-2002
Plain washers-Large series
GB/T 861.1-1987
Internal teeth lock washers
GB/T 861.2-1987
Serrated lock washers internal teeth
GB/T 862.2-1987
Serrated lock washers external teeth
GB/T 7245-1987
Curved spring washers
GB/T 860-1987
Curved spring washers
GB/T 955-1987
Wave spring washers
GB/T 7246-1987
Wave Single coil spring lock washers
GB/T 848-1985
Small washers
GB/T 852-1988
Square taper washers for I steel
GB/T 854-1988
Tab washers with long tab
GB/T 853-1988
Square taper washers for slot section
GB/T 855-1988
Tab washers with long tab and wing