BBC 16W: Pusher leg rock drill (medium to hard rock) - Atlas Copco USA

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BBC 16W: Pusher leg rock drill (medium to hard rock)

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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. This all-rounder can be used in a wide range of applications. It has a robust riflebar rotation, long stroke length and high penetration rates.


Features & benefits

  • All-round rock drill, suitable for most drilling applications in medium to hard rock
  • Long stroke, good penetration rate
  • Robust rifle bar rotation mechanism
  • Pusher leg control placed in back head of the rock drill

Applications

  • Production drilling
  • Mining and construction
  • Dimension stone industry

Technical data

Technical Specifications
Rock drill typeUnderground rock drill
Rock drill versionPusher leg rock drill
Weight63 lb
Length27 3/4 inch
Air consumption146 cfm
Impact Rate2340 blows/min
Piston diameter2 3/4 inch
Stroke length2 5/32 inch
Largest reaming diameter2 31/32 inch
Hole diameter1 - 1.6 inch
Vibration level 3 axes (ISO 5349-2)*16.6 m/s²
Sound power level guaranteed, Lw (ISO 15744)*122 dB(A)
Sound pressure level (ISO 15744)* Lp, r=1m111 dB(A)
Shank Size (mm)22x108
Shank Size (inch)7/8x4 1/4
Suitable pusher leg
Pusher leg rock drillBMT 51, ALF 71, ALF 71-1, ALF 67/80

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