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.
