12-24 X 1-1/2 Unslotted Indented Hex Washer Head Tek Screw #5 Point
#12-24 X 1-1/2″ Unslotted Indented Hex Washer Head. TEK Screw #5 Point. The point on a self-drilling screw is designed to efficiently remove material and precisely size the hole for the thread. Due to their need to drill and tap into various materials, the standard self-drilling screw is a case hardened heat-treated carbon steel.