Cross recessed pan head self drilling screws material:Stainless Steel 316,Stainless Steel ... 3.Certificate: ISO 9001:2000 Cross recessed pan head self drilling screws 1.Machining method: cnc Turning, Milling, Drilling, threading, stampling, punching etc2 ... , Nickel plating, Electrophoresis, Anodization3.size:Various kinds of screws are available4.Color: Metal colors available5.Packing: cartons, ...