Pan Head Self-Drilling Screw with PH Slotted 1Size: M3-M16 2 Grade: 4.8, 8.8 3.Coating:Plain,ZP,NP, ... ANSI, ASME, JIB etcMaterial: Carbon Steel, Stainless steel, Aluminium, Brass Coating: Plain, zinc plated, galvanized, nickel plated. BlackWe can supply you ... Washers. square washer, bowl washer.Screws: machine screws, self tapping screws, self drilling screws, set screws, hex socket head cap screws ...