... )Washers type:flat ,spring ,lock,star 3)Accept customization Specifications of Washers: 1 Standard: DIN, BS, IFI, JIS, ... washers 6) According to your requestOur popular products of Washers: 1)Spring Washers Nominal size(mm)33. ... Working Process Include: cold punching, machining, CNC machine.Applications of Washers: 1) Agri machines2) Automobiles3) Earth-movers4) Railways5) ...