washers Diameter: M3 to M100 Grade: 4 to 10 Finish: plain, black, ZP HDG DAC Flat washer and spring wasersDiameter: M3 to M100Grade/class: 4 to 10Finish: plain, black, ZP/YZP, HDG and DACLock washers,hex washers,square washers and wave washers are also availablePacking: small box, cartoon, gunny bag, wooden box, plywood or wooden pallets or customized diameter(mm)length (mm)class/gradefinish/ ...