For the hexagon socket head cap screw we can make as your requriement!  size , standard, and finishing!

We supply the bolts, screws, nuts, rods, studs, washers and many other hardware products, made of carbon steel, alloy and stainless steel, aluminum, brass or other special materials. For finishing, we provide black oxide, zinc electroplating Cr+3, phosphate, mechanical galvanization, hot dip galvanization, Dacromet and other kinds. The products are produced in conformity with DIN, ANSI, AS, BS, JIS, GB, ISO or nonstandard specifications or against customers' requirements, in grades of 4.8, 6.8, 8.8, 10.9, 12.9, A2-50, A2-70 and A4-70etc