10X1 1/4 Phillips Modified Truss Self Piercing Screw Full Thread Needle Point Zinc (Pack Qty 4,000) BC-1020PPM

May be used in thin metal (less than .050 thick). Eliminates need for pre-drilled or pre-punched holes. The head design offers low clearance and an extra large bearing surface AISI 1018 - 1022 or equivalent steel Screws shall be quenched in liquid and then tempered by reheating