TAPERED DRILL ROD

Barras de Perforación / Jars/ Drill Bars

Tapered drill rod are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling.
tapered drill rods have a tough life, transferring the percussion energy from rock drill to drilling bit and then into the rock. They’re also subjected to high bending stress, not to mention corrosive water in the flushing hole. 
Shank:
H22x108mm
H25x108mm
H19x108mm

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