1/4-14X1 Unslotted Hex washer Serrated Self Drilling Screw Full Thread 18 8 Stainless Steel (Pack Qty 500) BC-1416KWS188

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) Used to attach plywood, soft wood or metal to metal. Serrated washer design adds greater holding power to components subject to vibrations caused by repeated movements. The 1/4-inch diameter screws, for instance, are commonly used to attach reinforcing st The 18-8 stainless drill screw offers superior corrosion resistance but is a significantly softer metal than case-hardened carbon steel. The serrations can help create a fastening more resistant to loosening. The hardness of the material to be drilled shoYou may also like 6-32X1/2 Unslotted Ind Hex Washer Thread Rolling Screws Thread Roll Screw Full Thread Zinc Wax (Pack Qty 10,000) BC-0608RW.