R25 Reaming Tools Pilot Ream Bit For Drifting And Tunneling Cut Holes Quarry Mining Bit Diameter: 33mm-45mm Length of drill rod: 250mm-4000mm Button bit design: Flat face, drop centre, normal and ...View More
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R25 Reaming Drill Bit Pilot Ream Bit For Drifting And Tunneling Cut Holes Quarry Mining