... SOCKET CAP SCREWS(UNC-12.9) ASME HEX SOCKET CAP SCREWS(UNF-12.9) DIN912 ALLOY STEEL SOCKET HEAD CAP SCREWS(12.9 ... supply the bolts, screws, nuts, rods, studs, washers and many other hardware products, made of carbon steel, alloy and stainless steel, aluminum, brass or ... galvanization, hot dip galvanization, Dacromet and other kinds. The products are produced in conformity with DIN, ANSI, AS, BS, ...