Hex Bolt 1.Good quality,reasonable price 2.Material:carbon steel 3.Standard:DIN,ANSI,ISO,BS 4.Size:m5-m20 Hex Bolt1.ItemHex bolts2.Materialcarbon steel3.Surfacezinc plated,black4.StandardDIN,ANSI,ISO,BS5.Diameterm5-m206.Lengthm16-m1207.Packagein bulk,carton box,pallet8.Supply ability1200 tons per month9.Delivery time30days DIN 931/933/912/GB70 Hex Bolt