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R28 series drifter rods, extension rods, M/F rods, shank end rod, button bits, cross bits, reaming bit, pilot adapter, coupling, shank adaptors

  • R28

  • Jinquan

  • China

  • Iron bundles

  • Within 15-35 days according to your order quantity

  • 1

  • T/T

R28 driter & tunneling drilling tools mainly include R28 thread button bits, R28 cross bits, R28 pilot adapter, R28 extension rod, R28 drifter rod, R28 coupling sleeves & R28 shank adaptors.
The products ranges are as follows:
Drill bits: 
Threaded button bit R28 thread, diameter: 37mm, 38mm, 41mm, 43mm, 45mm, 48mm.
Threaded cross type drill bits R28 thread, diameter: 38mm, 41mm, 43mm, 45mm, 51mm.
Drifter rod:
Drifter rod R28-Hex. 28-R25, 10 feet.
Drifter rod R32-Hex. 28-R28, 10 12 13 14 feet.
Drifter rod R32-Hex. 32-R28 10 feet.
Drifter rod R38- Hex. 32-R28 10 12 14 feet.
Coupling sleeves:
Many various type coupling with thread R28.
Dome reaming tools:
Reaming equipment for cut holes.
Pilot adaptor diameter 40mm x 12 taper R28 ( R32) thread.
Shank adaptors:
Suitable R28 shank adaptor for various type drifters.

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