T38 T45 T51 R25 R32 R38 COUPLING SLEEVE / Drifter Speed Extension Drill Rod Coupling Sleeves for Mining Rock Drilling In top hammer drilling, the shank adapter transmits impact energy from the piston ...View More
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T38 T45 T51 R25 R32 R38 COUPLING SLEEVE / Drifter Speed Extension Drill Rod Coupling Sleeves for Mining Rock Drilling