Tophammer Drill Rod

Taper Drill Rod With Small Hole Drilling

Tapered drill rod

(1) Steel grade: Sandbar 64 or Sandbar 20 or C253, 55SiMnMo

(2) Size: Hex.22mm, Hex.25mm

(3)Taper: 4°46', 6°, 7°, 11°, 12°.

(4)Length: 0.4m-10m

(5)Package: in wooden case or in bundles.

(6)Productivity: 20000MT / month

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Details

Guiyang, Guizhou, China

Maxdrill

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