10-16X3/4 Unslotted Indented Hex washer High Head Serrated Self Drill Screw Full Thread #3 Point (Pack Qty 5,000) BC-1012KWHS

The high head design provides a better-engaged drill screw during installation. Intended for use in heavier duty (up to 7 gauge) steel. Serrated washer design adds greater holding power to components subject to vibrations caused by repeated movements AISI 1016 - 1024 or equivalent steel Fasteners are heat treated in a carbonitriding or gas-carburizing system at a minimum temperature of 625°F, or in a cyaniding system (with consent of the buyer) at a minimum temperature of 450°F