SHINING STAR OF ROCK DRILL SPARE PARTS
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Sandvik HL820ST is a hydraulic top hammer rock drill designed for DL311 and DL321 underground longhole drills. It is capable of drilling 54 - 89 mm holes up to 38 meters in depth, using T35, T38, T45, T51 MF-rods or 65 mm tube rods.
Technical Specifications
| Impact Ratings | |
| Power class | 21 kW |
| Percussion rate | 42-53 Hz |
| Hole diameter range | 54-89 mm |
| Operating pressure | |
| Percussion | 80 - 200 bar |
| Rotation | 200 bar |
| Rotation motor type | |
| Motor type | OMT200 / 250 |
| Shanks | |
| 39 mm rod | T35 / 600 |
| 39 mm rod | T38 / 600 |
| 46 mm rod | T45 / 600 |
| 52 mm rod | T51 / 600 |
