RR890 pilot bit
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Raise boring drilling tools
RR890 pilot bit
- Max cutter load
- 27 ton
- Max cutter RPM
- 85
- Diameter
- 229 - 406 mm / 9 - 16"
- Bit weight
- 45 - 212 kg / 100 - 467 lbs
- Max bit load
- 29 665 - 52 160 kg / 65 400 - 115 000 lbs
New RR890 raise boring pilot bit, thoroughly engineered for predictability and for giving your raise boring operations a competitive edge. With advanced and reliable design, it significantly extends service life, allowing for more drilling meters and reduced downtime.
Features
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Optimized design
The advanced and cutting-edge technology behind the RR890 pilot bit withstands higher loads and temperatures, enables more even rock breaking and reduces wear.
Optimized design
The advanced and cutting-edge technology behind the RR890 pilot bit withstands higher loads and temperatures, enables more even rock breaking and reduces wear.
The advanced and cutting-edge technology behind the RR890 pilot bit withstands higher loads and temperatures, enables more even rock breaking and reduces wear.
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Longer service life
Equipped with Charger® dual seal bearing, PowerCarbide® SH75 and full leg protection, the RR890 offers far longer service life of both the bearing and the inserts, and thereby increases your overall drilling distance.
Longer service life
Equipped with Charger® dual seal bearing, PowerCarbide® SH75 and full leg protection, the RR890 offers far longer service life of both the bearing and the inserts, and thereby increases your overall drilling distance.
Equipped with Charger® dual seal bearing, PowerCarbide® SH75 and full leg protection, the RR890 offers far longer service life of both the bearing and the inserts, and thereby increases your overall drilling distance.
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Reduced downtime
Say goodbye to frequent tripping, unexpected interruptions for bit replacements, and potential safety hazards for operators associated with unnecessary manual handling.
Reduced downtime
Say goodbye to frequent tripping, unexpected interruptions for bit replacements, and potential safety hazards for operators associated with unnecessary manual handling.
Say goodbye to frequent tripping, unexpected interruptions for bit replacements, and potential safety hazards for operators associated with unnecessary manual handling.
Product specifications
Downloads
RR890 pilot bit operating manual and spare parts
Operating manuals and spare parts can be found on the My Sandvik customer portal.
- Max cutter load
- 27 ton
- Max cutter RPM
- 85
- For rock formations
- Soft to very hard
- Serial number recognition
- V
- Bit type
- PX
- Max cutter load
- 27 ton
- Max cutter RPM
- 85
- For rock formations
- Soft to very hard
- Serial number recognition
- V
- Bit type
- PX
- Diameter
- 229 - 406 mm / 9 - 16"
- Bit weight
- 45 - 212 kg / 100 - 467 lbs
- Max bit load
- 29 665 - 52 160 kg / 65 400 - 115 000 lbs
- API thread
- 4 1/2 - 7 5/8"
*For more specific technical details, please contact a Rock Tools Sales Representative
Related Products and Services
Our range of raise boring drilling tools
Push bore reamers
- Max cutter load
- 27 ton
- Max cutter RPM
- 85
- Cutter weight
- kg
- Complete reamer weight (including cutters)
- 1,005 kg
- Hole size (both reamers)
- Ø 740 mm / 29,13 inch
- Rock formation
- Soft to hard
- Pilot bit size
- 11 inch
RS410
- Max cutter load
- 27 ton
- Max cutter RPM
- 85
- Cutter weight
- 126 - 133 kg
Can't find the answer to your questions?
Are you looking for a spare part or component?
Visit My Sandvik customer portal where you can find information such as price and availability for our parts and components.