
BG00514332 - HL820ST HYDRAULIC ROCK DRILL
BG00514332 - HL820ST HYDRAULIC ROCK DRILL
Sandvik HL820ST – Hydraulic Rock Drill
General Description:
The Sandvik HL820ST is a high-performance hydraulic rock drill specifically designed for long-hole drilling in underground mining applications. It is engineered to operate in conjunction with DL311 and DL321 drill rigs, delivering reliable performance in demanding underground conditions.
Drilling Capacity:
The HL820ST is capable of drilling holes with diameters ranging from 54 mm to 89 mm and depths of up to 38 meters, using T35, T38, T45, or T51 MF rods, or Ø65 mm tube rods.
Technical Specifications:
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Hole diameter range: 54 - 89 mm
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Maximum hole depth: 38 meters
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Percussion power: 21 kW
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Percussion frequency: 42 - 53 Hz
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Percussion pressure: 80 - 200 bar
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Rotation pressure: Up to 200 bar
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Rotation motor options: OMT200 / OMT250
Applications:
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Underground mining
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Long-hole drilling operations
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Hard rock conditions