Rock Products

JUN 2013

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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DRILLING BLASTING Boart Longyear Expands Down-the-Hole Bit Offering Boart Longyear expanded its down‐the‐ hole (DTH) bit options by releasing 18 new product configurations that are compatible with more than 26 third‐ party DTH hammers. These additions enhance the list of Boart Longyear per‐ cussive bits that can fit third‐party DTH hammers. "We designed the new DTH bits after re‐ ceiving an increase in requests for our technology to fit multiple DTH hammers that have recently come into the mar‐ ket," said Jay Klinko, senior product manager for Boart Longyear. "By adding these bits to our rock drill and blast product offerings, we have created one of the most comprehensive lists of DTH bit options in the marketplace." flushing hole geometries to provide the right design for the application. Utiliz‐ ing long‐standing bit design strategies, the new DTH bit offering is sure to pro‐ vide a durable solution for increased efficiency. Boart Longyear, SOLUTIONS FOR THE AGGREGATE INDUSTRY Belt Cleaning Systems The DTH bit body incorporates pre‐ mium hardened steel alloy, which im‐ proves shank wear resistance and manages bit body wash. Multiple tung‐ sten carbide button insert designs pro‐ vide exceptional durability by allowing for multiple re‐sharpening while deliv‐ ering optimized penetration rates. Transfer Point Systems The new DTH bit shaft configurations offer a combination of different spline counts, diameters and lengths. Op‐ tional foot valves can be added when required. Multiple face designs, including flat, re‐ cessed and dome, can be changed to match the various ground conditions for improved productivity. Boart Longyear has developed bits with a wide range of gauge diameters and Vibratory Drives for Screens visit call 800.544.2947 email A Global Company ® Registered trademark of Martin Engineering Company in the US and other select locations. © 2012 Martin Engineering Company. Additional information can be obtained at ROCKproducts • JUNE 2013 23

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