The M3-0.5 x 20W6 JIS B1188 Phil Pan 304SS Split Washer 302/304SS Flat Washer Sems A2 Stainless is a type of washer that is used to distribute the load of a screw or bolt. It is made of 304 stainless steel, which is a durable and corrosion-resistant material. The split washer has a split design that allows it to conform to the shape of the screw or bolt, and the flat washer provides a smooth surface for the screw or bolt to bear against. This washer is commonly used in a variety of applications, including automotive, construction, and manufactu