... we have stock can make as your requirement delivery is fast and cheap 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, ... electroplating Cr+3, phosphate, mechanical galvanization, hot dip galvanization, Dacromet and other kinds. The products are produced in conformity with DIN ...