M10 X 20Mm Stainless Steel Flat Washer(Od=20Mm，2Mm Thickness), Stainless Flat Wa
M10 X 20Mm Stainless Steel Flat Washer(Od=20Mm，2Mm Thickness), Stainless Flat Washer 10 Mm Inner Dia for Bolt Screw (50Pcs). Fastener Size M10. Washer Type Flat. Material: Our products are made of 304 stainless steel, which are corrosion resistant, rust free and not easy to break.