Top hammer rock drills
RD925
- Hole size
- 89 - 127 mm
- Percussion power
- 25 kW
- Percussion rate
- 69 Hz
Sandvik RD925, part of the RD900 series, is a hydraulic top hammer rock drill designed for surface top hammer rigs and features few moving parts to ensure durability and minimize service time.
Features
-
Three body modules
RD925 has three body modules connected by short side bolts, minimizing the number of joint faces and large contact surfaces. Its percussion module comprises two moving parts: a piston and its distributor sleeve, guided by a single pilot cylinder for precise part alignment.
-
Robust stabilizer
The stabilizer maintains the shank adapter’s position on the piston, ensuring effective rock/bit contact and energy transfer, leading to improved penetration rates and extended rock tool service life.
-
Heavy-duty rock drill
Designed for surface top hammer rigs, this heavy-duty hydraulic rock drill can drill holes up to 29 meters deep using T51 MF-rods, with an optimal hole range of 89 to 102 mm.
Product specifications
- Hole size
- 89 - 127 mm
- Percussion power
- 25 kW
- Percussion rate
- 69 Hz
- Percussion pressure
- 190 bar
- Rotation (max.)
- 200 bar
- Rotation motor types
- OMT250, OMT315, OMT400
- Weight
- 340 kg
Learn more about RD925 features
Multiple rotation motor variants
Three rotation motor variants are available to meet the RPM and rotation torque requirements in the RD925 application range.
Power extractor
The drill's power extractor (optional) allows operators to manually or automatically open rock tool joints when utilizing one-hole automation.
Reduced shank lubrication oil consumption
Optional Circulating Shank Lubrication (CSL) system significantly reduces shank lubrication oil consumption by up to 300g per hour.
Related Products and Services
Equipment
Surface drill rigs
Designed to work in the toughest operating conditions, our surface drill rigs combine power with precision and are designed for efficiency and operator comfort.
Technology
RockPulse™
RockPulse® uses cutting-edge sensor technology to provide real-time visibility inside the rock during drilling. It measures stress waves, analyzing drilling effectiveness.
Services
Component services
Sandvik will inspect and repair your original component in our state of the art workshops using genuine parts to an agreed standard and scope.
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