Brand:TGR, XDM, TD Brief: Surface:HDG, plain, black, galvanized, yellow zinc, nickel plated,dacromet, etc Material:stainless steel304,316,316L,317,317L,carbon steel,etc Size:1.7-31,#2-1/8,Custom MOQ:10000
The internal tooth lock washer is designed to prevent a nut or bolt head from loosening with the strut action set up by the teeth.