Boart Longyear Upgrades and Expands Stage Diamond Coring Bits
SALT LAKE CITY — May 13, 2010 — Boart Longyear® Limited (ASX:BLY), the world’s leading integrated drilling services and products provider, has upgraded and expanded its Stage® diamond coring bit product line. The new bits include engineering upgrades to the patented Stage3 waterways, a full selection of Stage bits with a 16 millimeter crown and an optional face-discharge feature.
Since its release in 2007, the Stage3 diamond coring bit remains the world’s tallest, with a crown height of more than 25 millimeters. Its patented design delivers better penetration rates, longer active drilling in the hole and fewer rod trip-outs, increasing shift capacity and overall meters drilled.
“The new bits provide a benchmark for reliable, cost-effective, high-productivity drilling in any ground condition,” said Monika Portman, product manager for coring products with Boart Longyear. “The new design features an expansion of our patented window to improve productivity, a revised window layout to increase strength and our new patent-pending RazorCut™ face design, which provides the driller with a ready-to-cut bit right out of the box. The 16 millimeter model includes the upgraded Stage technology and is designed to give our customers more choice when operating at shallower target depths.”
Upgrades to the Stage design include windows with rounded corners for greater durability. The new windows increase resistance to damage caused by debris in fractured ground conditions. The windows also feature a new Twin-Taper™ design to increase wear-resistance and boost performance of the bit. The Stage windows taper inward to create more material on the window’s inner diameter, increasing material strength and product life. In addition, the tapered windows cause high fluid velocity in the inner diameter resulting in better flushing of fluids, cuttings, and debris.
The Stage windows are now positioned to rotate in the opposite direction of rod rotation, creating more surface material which further increases the strength of the crown, maximizing performance in all ground conditions.
To learn more about the new diamond coring bits, contact your local Boart Longyear sales representative or visit www.boartlongyear.com/stage.
About Boart Longyear
Boart Longyear is a 120-year-old global mineral exploration company headquartered in Salt Lake City, Utah and listed on the ASX (Australian Securities Exchange) in Australia. Regional offices and operations are located in Asia Pacific, North and South America, Europe and Africa. Boart Longyear is the leading provider of mineral exploration services and drilling products for the global mining industry and also has a substantial drilling presence for water exploration, environmental sampling, energy, and oil sands exploration. With 2009 sales of US$978 million and over 7,000 employees worldwide, Boart Longyear conducts contract drilling services in more than 40 countries, and provides mining products to customers in over 100 countries.
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