M4 x 18W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M/S Zinc Yellow M20-1.50 It is corrosion resistant and

It is corrosion resistant and has a high tensile strength

The 6-lobe flat head allows for easy driving and prevents stripping

it features a full contour truss head for maximum bearing surface and a sharp point for easy penetration

and plastic in applications such as machinery

* Black zinc and bake finish

M4 x 18W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M/S Zinc Yellow M20-1.50 It is corrosion resistant andThe M4 x 18W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M S Zinc Yellow is a type of washer that is used to distribute the load of a screw or bolt. It is made of steel and has a zinc yellow finish. The washer has a split design that allows it to be easily installed and removed. It is also designed to prevent the screw or bolt from loosening over time.