13 JUNE 2025 WorldWide Drilling Resource® Kovai Introduces 6-Inch DTH Hammer for Blasthole Drilling Kovai Drilling Applications LLC introduced the KH650R Series, a new line of 6-inch down-the-hole (DTH) hammers designed for drill and blast operations in the aggregates and mining industry. An evolution of the company’s KH600 series which was originally developed for water well drilling, the new KH650R features a redesigned long-stroke piston delivering higher impact energy per blow, resulting in faster penetration rates. Design updates also include a heavier piston with a larger surface area, thicker guide tube, and a groove-free, reversible wear sleeve intended to extend the hammer’s service life. With only 14 parts, this hammer is one of the more service-friendly hammers in its class. Hari Raj, Vice President of Sales at Kovai, said the company prioritized durability and impact force in the redesign. “These updates allow the KH650R to perform reliably under tough drilling conditions while keeping maintenance straightforward,” he noted. Initial field testing yielded strong results in speed and longevity. For a link, click on this box in our online issue. No online issue? Register at worldwidedrillingresource.com WHO’S IN THE NEWS Additional announcements from the Utah Geological Survey, LAGCOE, Flomatic, and Mitsubishi Heavy Industries Compressor International Corporation, can be found in our online issue at worldwidedrillingresource.com Central Mine Equipment Company Central Mine Equipment Company (CME) is excited to introduce the newest member of its outside sales team, Mr. Brandon Kenyon. He will be covering the northeast region which includes Kentucky, West Virginia, Pennsylvania, Ohio, New York, New Jersey, Connecticut, Rhode Island, Massachusetts, New Hampshire, Vermont, Maine, and a good portion of Indiana. Brandon has several years of geotechnical, environmental, and exploration drilling experience behind CME rigs as well as others. He will be a great addition to the CME sales and support teams.
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