... bolts, hook boltsNUTS: hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock nuts, cap nuts, slotted nuts, rivet nutWASHERS: flat washers, ... ISO, DIN, BS, JIS, AS Material: Carbon steel, stainless steel, alloy steel Finished: Zinc plated,black,H.D.GWhatever the standards ... , UIC, Russian or drawings from customers.Materail: Carbon steel or stainless steel, Q195, Q235, 35#, 45#, 35CrMo, 42CrMo, ...