... :DIN, ANSI, ISO,GB 2)Material:carbon steel 3)Diameter:as required Hex Flange Head Bolt1) Standard: DIN, ANSI, ISO, GB2) Material ... : carbon steel3) Diameter: as required4) Length: as required5) Slot:6) Head:7) Thread:8) Point:9) Finish: white, blue, yellow Zinc ... :"Fast delivery time, Reasonable price,The best service" Hex Flange Head Bolt