#12-14 x 1in Indent Hex Washer Tek Screw

Tek screws, also called self-drilling screws, are self-tapping fasteners that have a drill bit end allowing them to be used for?screwing materials such as wood and metal together without pre-drilling. Tek screws are best fitted with a high-speed impact drive. These feature a hex washer head. (HWTS121D)