... 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 ... DIN ,ANSI/ASME,BS,GB,JIS,Non-standard,JB/T4.Surface:plain,zinc plated,black ... oxide,hot dip galv.etc.5.Packing:in bulk,15-25kgs per carton,then on ... after order confirmation.According to customers` drawings and/or samples or designed by ourseOur products ...