... , 3/8"---47" Coating : black, zinc,HDG,Dacroment Hex head Bolts1) Standard of Hex head Bolts: DIN 931/933, 601/558, ANSI/ASME, BS ... ", we also can produce according to your requirement6) Coating of Hex head Bolts: Plain, black, zinc, HDG, nickel, phosphate black.7)Packing ... of Hex head Bolts:General: Packed in 25 Kg Net weightCarton/Bag (with ...