Top hammer rock drills
HF820T
- Hole size
- 64 - 127 mm
- Percussion power
- 21 kW
- Percussion rate
- 53 Hz

Sandvik HF820T hydraulic rock drill, with independent rotation and separate flushing, is compatible with Sandvik surface and underground longhole drill rigs and can drill 64-127 mm diameter holes.
Features
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Robust, reliable rock drill
Sandvik HF820T is reliable and has a high drilling capacity, achieved through its functional modules. A hydraulic stabilizer regulates drill-bit-to-rock contact, optimizing drilling performance and extending drill steel longevity.
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Power extractor (option)
Ensure hassle-free drilling even in the harshest of conditions by utilizing the optional power extractor for added reliability and performance.
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Variety of options
Operators can easily adjust torque and speed by making use of the three rotation motor options.
Product specifications
- Hole size
- 64 - 127 mm
- Percussion power
- 21 kW
- Percussion rate
- 53 Hz
- Percussion pressure
- 80 - 200 bar
- Rotation (max.)
- 200 bar
- Rotation motor types
- OMT 200, OMT 250, OMT 315
- Weight
- 265 kg
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