Hex bolt 1.Material:carbon steel,stainless steel 2.Finish:zinc,black ... .8,10.9 4.Standard:DIN933/931 [ Product Description]Hex bolt PictureNameHex Bolt (DIN933/931)HS code73181500Materialcarbon steel, mild steel, stainless steelFinishplain ... plated, hot-dip zinc, hot-dip galvanizing, black, dacrometGrade4.8,6.8,8.8,10.8,12.9SizeM3-M80ThreadFull thread,non ...