R25 drifter rod, extension rod, M/F rod, button bits, cross bits, couplings, shank rod......

R25 driter & tunneling drilling tools mainly include R25 thread button bits, R25 cross bits, R25 extension rod, R25 male-female M/F drill rods, R25 coupling sleeves, R25 reaming bits & R25 pilot adapter.

The products ranges are as follows:

Drill bits:

Threaded button bit R25 thread, diameter: 33mm, 35mm, 37mm, 38mm, 41mm, 43mm, 45mm.

Threaded cross bits R25 thread, diameter: 33mm, 35mm, 38mm, 41mm, 45mm.

Threaded button bit R28 thread, diameter: 37mm to 48mm.

Threaded button bit R32 thread, diameter: 48mm to 76mm.

Reaming bits diameter 76mm, 89mm, 102mm, 127mm.

Drifter rod:

Shank rod Hex. 25-R25 10 feet.

Drifter rod R32-Hex. 25-R25.8 feet 10 feet.

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.

Drifter rod R38-Hex. 32-R32 12 14 16 feet.

Drifter rod T38-Hex. 32-R32 12 14 feet.

Drifter rod R38-Hex. 35-R32 10 12 14 16 18 feet.

Drifter rod T38-Hex. 35-R32 12 14 16 18 20 feet.

Drifter rod T38-Hex35-R35 14 16 18 20 feet.

Drifter rod T38-Round39-R32 14 16 18 20 feet.

MF Rod T38-Hex. 35-R32 12 14 16 18 feet.

Coupling:

Many various type coupling with thread R25-R25, R25-R32.

Reaming equipment for cut holes.

Pilot adaptor diameter 40mm x 12 taper R28 ( R32) thread.

Reaming bits 64 76 89mm 6 taper.

Reaming bits 76 89 102 127mm 12 taper.

Reaming bits 76 89 102mm x R32 thread.

Shank adaptor:

Suitable R25 shank adaptor for various type drifters.