8X5/8 Phillips Modified Truss Self Piercing Screw Full Thread Needle Point Zinc (Pack Qty 7,000) BC-0810PPM

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 reheatingYou may also like M3-1.34X7 Metric 6 Lobe Round Washer PT Alternative Fully Threaded A2 Stainless Steel (Pack Qty 2,500) BC-M37PTTRWA2.