Rock Tools: Equipment Spotlight

May 2012, Vol. 67 No. 5

Rock tools from Doosan, Vermeer, Melfred Borzall, INROCK, American Augers, Sharewell, Kennametal, Caterpillar, Ditch Witch, Ballantine, Underground Tools Inc., Bor-It Mfg., Kenco and Barbco.

Doosan
Doosan DXB260H breaker allows operators to match breaker frequency to ground conditions. The Doosan DXB260H hydraulic breaker features two-speed control of breaker frequency for improved efficiency in demanding demolition and rock-breaking applications. Delivering up to 600 blows per minute, the 5,400-pound DXB260H is designed for use with excavators in the 27 to 37 metric-ton weight range, specifically the Doosan DX300LC and DX350LC. Rated in the 8,000 foot-pounds impact energy class, the DXB260H requires a hydraulic flow rate of between 39.5 and 63.5 gallons per minute. doosanequipment.com

Vermeer
The Armor Drilling System is a single HDD tooling system with multiple drilling options, and the integrated modular design allows the tooling to be adapted to various ground conditions. For soft to medium rock, shale, hard pan and caliched ground conditions up to 10,000 psi, use the Gauntlet bit. Carbide buttons are strategically placed on the bit for optimum cutting, and carbide hard facing helps to enhance wear and performance characteristics. A replaceable three-tooth design delivers a consistent cutting structure for steering corrections and maximum drilling performance. The Armor Drilling System is also available in 2- and 4-battery sonde lengths and is wire line compatible. 888.837.6337, vermeer.com

Melfred Borzall
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When you encounter cobbles and rocky conditions and want a successful bore the first time out, the bit you want at the end of your drill stem is the new Iron Fist. The contoured design and carbide cutters make the Iron Fist ideal for cobblestone conditions. Front carbide cutters are positioned to allow the operator to “rock” the bit through rock and cobble. Compact carbide buttons are less likely to hang up on cobbles and are strategically placed to protect the edges of the steer face. The Iron Fist features wrench flats for easy removal, a built in check valve and ¼-inch recessed water holes to prevent clogging. 800.833.1252, melfredborzall.com