1.Washer, Flat Washer 2.Carbon steel, Stainless steel 3.Size: M6~M48 4.Reliable quality Competitive price 5.Deliver on time We have nearly 40 years experience in producing high strength fasteners, our products be widely used in Wind Power field, Steam Turbine, High-speed Train, Petroleum and Petrochemical field, etc.. Looking to estalished long term relationship with you. 1) Product name: Washer, ...