1.standard:DIN,JIS,GB,BS,USS etc
2.size:M3-M76
3.Material:stainless steel ,carbon steel,brass,aluminum etc
4.Finish:black,zinc-plating,zinc yellow,HDG,Nickel-plating etc
5.shape:round,square ,flat,bowl or according to your request
6.Experience:We have over than 10 years in producing and supply washers.80% of our products are exported to oversea ,we own the conpetitive price,high quality,excellent service and prompt delivery