... : DIN, IFI, JIS, ISO,GB,ANSI 2)Washers type:flat ,spring ,lock,star 3)Accept customization Specifications of Washers: 1 Standard: DIN ... ) Hot-dip Galvanizing5 Type 1) Spring washers 2) Flat washers(plain washer,IFI,ASTM) 3) Lock washers 4) Star washers 5) Square ... : All kinds of washers available: e.g. Spring washer, star washer, plain washer, lock washers etc.Other special washers please send us ...