8-18X1 5/8 Phillips Flat with Nibs and Wings Self Drill Screw Full Thread Ceramic Green (Pack Qty 1,000) BC-0826KPFRC

For attaching wood to thin gauge metal studs. The wings help to clear a sufficient size hole so the threads don’t engage with the wood and assist in countersinking the head. The nibs serve to assist seating the head without splitting surface materials such as laminates AISI 1022 or equivalent steel Screws shall be quenched in liquid and then tempered by reheating