Hillman Hex Washer Head Self Drilling Screw, No Pre Drilling, Assorted Sizes, Zinc
Hillman Hex Washer Head Self Drilling Screws save you time by allowing installation without pre-drilling holes. Simply place the screw at the desired location and drive it in. The drill point bores its own hole in thin metal sheets, panels and boxes as you screw, making installation of thin sheet metal components, like electrical boxes and ductwork, a breeze. The hex washer head ensures secure seating and good load distribution. Ideal for do-it-yourselfers and tradesmen alike looking to speed up light gauge metal fastening projects.