... 1/2 " to 2 ". 4. Length: 50mm to 4000mm or 2 to 12' (12 feet) 5. Finish: Plain, black ,zinc plated, hot dip ... galvanized.HEX BOLTMaterial: ASTM A193 B7, B8, B8M.Specification: ANSI B18.2.1, ANSI B18. ... : ASTM F436, ANSI B 18.22.1, ANSI B18.21.1, DIN125, DIN9021, DIN 127, DIN 7980 ... Blueness Zinc (Cr.3 or Cr.6), Dacromet, Hot Dip Galv, Nickel Plating .Packing: CARTON/PALLET ,Standard ...