7/16 A/F Hd Hgt.172-.190 Unslotted Ind Hex Washer Serrate Self Drill Full Thread 18 8Stainless

An integrally formed hex washer head screw with serrations on the bearing surface side of the washer face and a drill point. Serrations extend from outer edge of washer face to the screw shank. Thread design is spaced (like a type-BSD drill screw)