RH 656 4W Pneumatic Rock Drill
Atlas Copco water flushed, pusher leg mounted rock drills are designed for driving drifts and tunnels with a small cross section. These well-proven rock drills are recognized for their high performance and reliability. They are intended for use for hole diameter range of 27 to 41 mm (1-1 5⁄8 in)with Hex 22 (7⁄8") rotation shank as a standard. When used with Atlas Copco tapered button bits, penetration rate will improve some 25-50% compared to conventional integral steels and have three to five times longer service life. The BBC 34 offers exceptional penetration rates in medium to hard rock, thanks to its long stroke and high impact energy.
Features:
- Highly efficient in medium to hard rock
- Long stroke, high impact energy
- Large piston diameter makes it very efficient even at low air pressure
- Powerful rifle bar rotation mechanism
- Pusher leg control placed in back head of the rock drill
Applications:
- Production drilling
- Mining and construction
- Dimension stone industry
** FREE SHIPPING within the Continental United States
| AC-8311030202 | $1,867.00 $1,400.00 
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| Rock Drill Type | Underground Rock Drill | |
| Rock Drill Version | Pusher Leg Rock Drill | |
| Weight | lbs | 48.5 |
| Length Retracted | in | 26 |
| Air Consumption | cfm | 101.7 |
| Impact Rate | bpm | 2040 |
| Piston Diameter | in | 2 ½ |
| Stroke Length | in | 2 |
| Largest Reaming Diameter | in | |
| Hole Diameter | in | 1 - 1.5 |
| Vibration Level 3 Axes (ISO 28927-10) | m/s2 | 21.2 |
| Sound Power Level Guaranteed, Lw (2000/14/EC) | dB(A) | 120 |
| Sound Pressure Level (ISO 11203) Lp, r=1m | dB(A) | 115 |
| Shank Size | in | 7⁄8 x 4-1⁄4 |
COMPATIBLE PUSHER LEGS
| AC-8321010202 | BMK 625 Pusher Leg | $1,100.00 $798.00
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CONSUMABLES
| Tapered Drill Steel |
| Tapered Rock Bits |
DOCUMENTATION
| Spare Parts List |
| Safety and Operating Instructions |
ACCESSORIES & COMMON REPLACEABLE PARTS
| Water Flushing Hose with Coupling - 1⁄2" | 9030206900 | $96.65
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Rock Drill Oil - 1 Gal | RDO1G | $42.00
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| VAM 5A Water Seperator with US Claw Couplings | 8092011083 | $1,516.87
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Rock Drill Oil - 5 Gal | RDO5G | $122.00
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| Side Bolt Kit | 3121500032 | $192.70
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Line Oiler | LO-10PF | $81.00
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| Machine Attachment Kit | 3001367681 | $830.12
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Whip Check | WCSML | $12.50
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| Dust Control Spray Kit | 9753300015 | $146.87
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Contractors Air Hose - 50' | AIRH-19-50R | $124.00
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| Vacuum Dust Extraction Kit for Paving Breakers & Rock Drills | PB-RD-VDEX-KIT | $1,545.00
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Air King Univeral Coupling | AM8 | $10.20
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