12 PCS M4 Washers,M4 X 9Mm Stainless Steel Penny Washers,Large OD Plain Wide Met

--M4x9mm washer inner hole diameter -4.5mm, outer diameter (OD) -9mm, thickness -0.9mm, packaged in 12 pieces.\n--The flat washer adopts high-quality 304 stainless steel A2 standard, with smooth surface and edges, corrosion resistance, rust prevention, high strength, durability, and long service life; Suitable for long-term outdoor work.\n--Flat washers provide a flat support surface, effectively dispersing the pressure generated by fasteners and preventing loose connections between fasteners by increasing the contact area.\n--Flat washers are used to reduce friction, prevent leakage, isolate, prevent loosening or dispersion of pressure, and are very suitable for household and mechanical equipment, such as machine tools, DIY projects, process products, ship parts, etc.\n--High precision manufacturing ensures that the gasket size is suitable. Please check the size you need before purchasing.\n Yesmin 12 PCS M4 Washers,M4 x 9mm Stainless Steel Penny Washers,Flat Washers,Large Metal Wass