Hex head bolts&nuts: M8-M100 stainless steel hot-dip galvanized(Zinc) Hex head bolts&nuts We specialize in various hot galvanized ... bolts and nuts, security bolts (anti-burglary/anti- ... high strength bolts, U-bolts, anchor bolts, foot nails, lock nuts and other fittings for electric power engineering. Our fasteners has ...