Top hammer rock drills
HF820T
- Hole size
- 64 - 127 mm
- Percussion power
- 21 kW
- Percussion rate
- 53 Hz
![HF820T Rock drill white background](/siteassets/images/rock-drills/top-hammer-rock-drills--for-underground-and-surface/hf820t-001-whitebg.jpg?width=480&height=293&rmode=crop&rsampler=bicubic&compand=true&quality=90&v=1695272755&hmac=47a73b8e31ed0c2b80017efeb9ba2eaea3b499e376d83f9b1802208836b555bb)
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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![HF820T Rock drill in mine](/siteassets/images/rock-drills/top-hammer-rock-drills--for-underground-and-surface/hf820t-002.jpg?width=480&height=270&rmode=crop&rsampler=bicubic&compand=true&quality=90&v=1695272755&hmac=f7c8bac308c8a6f5cc26e6a78507d51a2331cde434930dc92dc24b360da37aca)