Tapered Drill Rod
Maxdrill Rock Tools Co.,Ltd. [China] 
Drill Rod/Tapered Drill Rod
(1) Steel grade: 95CrMo equivalent to SANDBAR 20 or C253, 55SiMnMo
(2) Size: hex.19mm, hex.22mm
(3)Taper: 7 degree, 11 degree etc
(4)Length: 0.4m-10m
(5)Package: in wooden case or in bundles.
(6)Productivity: 20000MT / month
