A variety of washers are available: o Standard flat washers including SAE, USS, general purpose, MilSpec and Oversized o Lock washers (split lock washers) o Belleville spring washers o Fender washers o Spring washers o Vented washers o Custom washers per drawing Washer Specifications | | | Flat Washers o ASME 18.21.1 SAE / USS o DIN 126 / ISO 7091 o DIN 125 / ISO 7089 / ISO 7090 | Lock Washers o ASME B18.21.1 o DIN 127 / ISO 7090 | Belleville Washers o DIN 6796 / ISO 10690 | Washer Sizes o #00 - 6" o M1.2 - M150 | | | Click here to visit our tech question posting on understanding the differences between general purpose, SAE, USS and oversized flat washers. | | Washer Material Availability Engineered Polymers Advanced Ceramics Specialty Metals |