Carriage Bolt, Round Head Square Neck Bolt
1) Standards: DIN603, ISO8677, ANSI/ASME B18.5, GB12, GB14
Carriage Bolt, Round Head Square Neck Bolt 1) Standards: DIN603, ISO8677, ANSI/ASME B18.5, GB12, GB14 2) Material: Carbon steel 3) Finished: Plain, Zinc, Black, Nickel, H. D. G....