Atlas Copco Stopers are all-steel rock drills designed for production drilling, raise driving and roof bolting. They have a ratchet wheel rotationand and a short piston stroke for good penetration rates in soft and medium hard rock. Air blowing through the chuck when drilling, cleans the rotation chuck and lubricates the drill steel shank. The WR version has clockwise rotation and can be used for tightening or installing screen on threaded roof bolts.
Features & benefits
- High quality, designed for production drilling
- Clock wise rotation for bolting (BBD 46 WR)
Applications
- Raise driving
- Bolting
- Screening
Technical data
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| Rock drill type | Underground rock drill |
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| Rock drill version | Standard4 |
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| Weight | 40 kg |
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| Length retracted | 1650 mm |
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| Length extracted | 2620 mm |
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| Air consumption | 90 l/s |
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| Impact Rate | 3000 blows/min |
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| Piston diameter | 75 mm |
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| Stroke length | 45 mm |
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| Hole diameter | 27 - 41 mm |
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| Vibration level 3 axes (ISO 5349-2)* | 10 m/s² |
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| Sound power level guaranteed* | 124 dB(A) |
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| Sound pressure level* | 121 dB(A) |
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| Shank Size (mm) | 22x108 |
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| Shank Size (inch) | 7/8x4 1/4 |
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|
| Rock drill type | Underground rock drill |
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| Rock drill version | Standard4 |
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| Weight | 88 lb |
|---|
| Length retracted | 64 15/16 inch |
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| Length extracted | 103 1/8 inch |
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| Air consumption | 191 cfm |
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| Impact Rate | 3000 blows/min |
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| Piston diameter | 2 15/16 inch |
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| Stroke length | 1 3/4 inch |
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| Hole diameter | 1 - 1.6 inch |
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| Vibration level 3 axes (ISO 5349-2)* | 10 m/s² |
|---|
| Sound power level guaranteed* | 124 dB(A) |
|---|
| Sound pressure level* | 121 dB(A) |
|---|
| Shank Size (mm) | 22x108 |
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| Shank Size (inch) | 7/8x4 1/4 |
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