Drywall Screw Material:C1022 Main Feature:with drilling point, bugle head, phillips drive, coarse/fine Thread Drywall ScrewMaterial:C1022Main Feature:with drilling point, bugle head, phillips ... , 16/20boxes/carton, or as customers' special request. Useage:drywall screw do much less damage to wood and are easier to ... . More and more widely used in wood,instead of wood screw,metal,all kinds of board...