8-18X2 Phillips Bugle Head Self Drill Screw Full Thread Pilot Point Zinc (Pack Qty 2,000) BC-0832KPGPP

An externally threaded fastener that has a countersunk head with a flat top surface, cross-shaped recess, a concave bearing surface on the underside of the head, spaced thread and self drilling point Common usage is to attach lumber 3/4" or less in thickness to steel Common usage is to attach lumber 3/4" or less in thickness to steel