MAXDRILL Hollow Drill Steel Bar
(1)Material: 95CrMo (same as SANDBAR 20 or C253)
(2)Size: Hex.22mm, 25mm, 28mm, 32mm, 38mm
(3)Length: any length according to your require.(4)Package: Wrapped with steel belt and then into bundles.
(5)Productivity: 20000MT/ month
,MAXDRILL Hollow Drill Steel Bar, Hollow Drill Steel Bar, Rock Drilling, Drilling Tools