various of standard and non-standard fasteners (bolts, nuts, screws, etc) 1. material:carbon steel 2. standard: ... GB/DIN/ANSI.etc various of standard and non-standard fasteners (bolts, nuts, screws, etc) 1.Metail:Carbon steel,stainless steel ... .etc.5.Packing:in bulk,15-25kgs per carton,then on pallet or small box or according to customersrequirement6.Delivery time ...