Length: 3 / 8 "- 7" Shank diameter :1.0-6 .5 mm Material:Q235 Carbon Steel Surface Treatment: polished, galvanized ... :1) Length: 3 / 8 "- 7"2) Shank diameter: 1.0-6 .5 mm3) Material: Q235 Carbon Steel4) Surface Treatment: polished, galvanized5 ... ) Finishing: Good polished, Bright, E.G, H.D.G6) Features: flat caps, round bar, diamond7) Usage ...