The M3 x 8W6 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 washer on one side and a flat washer on the other side. The split washer helps to prevent the screw or bolt from loosening, while the flat washer helps to distribute the load. The washer is 3mm in diameter and 8mm in length.