Hardware Screws PN# 157 $391.31 / CS NEW Hardware Screws PN# 157 # 6-13 X 1/2" Phillips Pan Head Coarse Thread Zinc Plated Screws Good Quickscrews. Used in a variety of black hardware where the head sits on top of the surface. Quantity per CS 100 1000 30000 CS Weight 55.73 lb Dia. Length Drive Head Point Finish #61/2"Ph#2Pan HeadSharpZinc NEW $391.31 / CS Quantity