RRB raiseboring roller cutters, can be used in a wide range of reaming heads, varying in size from 0.6 to 8 meters in diameter. Designed for optimum performance in any type of rock formation, the roller cutters are easily adapted to different rock conditions by re-arranging cutter position and placement.
Ø 13, 14, 15 inch diameter cutter. 4 row, 5 row and full face housings.
Ø Extra strength steel. Longer cutter life and lower drilling costs
Ø Rebuild-able cutters due to exchangeable shafts and sleeves