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T60 Ballistic Button Drill Bit Rock Drilling Tool For Underground Mining Tunneling Characteristics 1. Thread connection: R22, R25, R28, R32, R35, R38, ...

7° Customization Tapered Tungsten Carbide High Speed Drill Bits For Rock Drilling Application Tapered Quarry Button Rock Drill Bits 40mm 41mm 45mm ...

11° Small hole quarry tunnel bench drilling Button Drill Bit used with hand held rock drills Application Tapered Quarry Button Rock Drill Bits 40mm ...

Taper 12 Degree Tungsten Carbide Small Hole Rock Drill Button Bits Application Tapered Quarry Button Rock Drill Bits 40mm 41mm 45mm With higher ...

T51 Tungsten Carbide Thread Rock Drill Button Bits for Mining / Quarrying / Tunneling drilling Application The thread button drill bits are made by ...

7° 27 - 76 mm Tungsten Carbide Rock Drill Cross Drill Bit for Quarry / Mining drilling Application The cross rock drill bit can be used under any rock ...

Tungsten Carbide Hard Rock Drill Bits , Mining 7° Chisel taper drill bit Stable And Reliable Application Taper Chisel bit is suitable for mining of ...

T51 Retrac Drop Center Ballistic button drill bit 64mm 76mm 89mm 102mm for mining and quarry drilling Application Retractable rock drill button bit is ...

T45 Retractable Drill Bit with Parabolic Buttons or Spherical Buttons for Mining Tunneling Drilling Application Retractable rock drill button bit is ...

Ballistic Retractable rock Drilling button Bit Golden Drop Center Retrac T60 92-152MM Application Retractable rock drill button bit is well known for ...