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DTH Hammers and Bits are designed for down-the-hole drilling.

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May 8, 2014 - Designed to increase productivity in reverse circulation (RC) drilling and conventional down-the-hole (DTH) drilling, BLH™ series includes valved BLH5 and BLH3 hammers as well as valve-less BLH1. Bits are available to support all BLH hammers. BLH5 delivers balanced operation with minimized vibration as well as optimized productivity in various ground conditions, and BLH3 adds steel valve system. With minimal moving parts, BLH1 achieves balance between simplicity and performance.

Boart Longyear Adds Down-the-Hole (DTH) Drilling Tools by Launching Its BLH(TM) Line of Hammers and Bits


Boart Longyear
2200 Centre Park Ct., P.O. Box 1959
Stone Mountain, GA, 30086
USA



Press release date: April 29, 2014

SALT LAKE CITY -- Boart Longyear (www.BoartLongyear.com), the world's leading provider of integrated drilling services, equipment and performance tooling, is launching the BLH(TM) series of down-the-hole (DTH) hammers and bits. Designed to increase productivity in reverse circulation (RC) drilling and conventional DTH drilling, the new BLH series can be used in almost all DTH applications, including geotechnical drilling, quarrying/mining, water well/geothermal, and mineral exploration.

The BLH DTH hammer range includes the valved BLH5, BLH3, and the valve-less BLH1 models. A full line of Boart Longyear DTH bits are available to support the new BLH hammers.

"By introducing our new BLH DTH hammer and bit line, Boart Longyear is simultaneously addressing our customer demand for a DTH solution to increase productivity while increasing our product offering of percussive drilling tools," said John Nielson, senior product manager for Boart Longyear. "The BLH line will deliver productivity in the ground with the quality and reliability Boart Longyear is known for."

The BLH5 DTH hammer range delivers the lowest total drilling cost of the new line. Designed to be compact, the BLH5 hammer reduces its length by 30 percent and reduces its weight by 20 percent compared to typical DTH hammers. This unique design provides:

--  Balanced operation with minimized vibration due to the piston in the hammer having virtually the same mass as the bit.
--  Better productivity in various ground conditions from a high frequency, low vibration operation.
--  Elimination of problematic exhaust tubes or foot valves on bits.
--  Resistance to breakage through the splines as it features the largest shank cross section available by nearly 50-percent.

The BLH3 DTH hammer range adds a reliable and robust steel valve system to increase productivity over valve-less hammers. The valve-less BLH1 DTH hammer range is a great balance between simplicity and performance, with minimal moving parts.

Boart Longyear DTH hammers range from a 4-inch to a 20-inch class, with a full complement of bits available. Boart Longyear also offers accessories including lubrication systems and break-out benches.

To learn more about the BLH line of DTH drilling tools, visit www.boartlongyear.com/DTH.

About Boart Longyear
With over 120 years of expertise, Boart Longyear is the world's leading provider of drilling services, drilling equipment, and performance tooling for mining and drilling companies globally. It also has a substantial presence in aftermarket parts and service, energy, mine de-watering, oil sands exploration, and production drilling.

The Global Drilling Services division operates in over 40 countries for a diverse mining customer base spanning a wide range of commodities, including copper, gold, nickel, zinc, uranium, and other metals and minerals. The Global Products division designs, manufactures and sells drilling equipment, performance tooling, and aftermarket parts and services to customers in over 100 countries.

Boart Longyear is headquartered in Salt Lake City, Utah, USA, and listed on the Australian Securities Exchange in Sydney, Australia. More information about Boart Longyear can be found at http://www.boartlongyear.com/. To get Boart Longyear news direct, visit www.boartlongyear.com/feed.

Contact:
Monika Portman
Director of Product Management, Marketing and Corporate Communications
Phone: +1 801-952-8451
Email: monika.portman@boartlongyear.com
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