Center Rock Inc. offers one of the most complete lines of downhole drills and bits, ranging from 3.5 inches (89 mm) to 144 inches (3,658 mm). Designed for all rock-drilling applications, including blasthole, exploration, HDD, foundation, water well and underbalanced gas. Our hammers provide optimal performance in wet or dry conditions, and our bits provide the best value with a full range of face and head designs, button insert configurations and shank styles suited to drill in any geology. centerrock.com

Since 1997, Bestma U.S.A. Inc. has sold approximately 5,000 CS Power Hammers in the United States to more than 500 drillers for the purposes of water well, geothermal, foundation, mining, etc. We supply hammers from 3 to 36 inches, and guarantee our products for 120 days or 10,000 feet (3” ~12”) / 5,000 feet (15” ~36”), whichever comes first. Call 888-426-6375 or email sales@bestma.com. www.bestma.com

Epiroc’s all new COP M-series DTH hammers for mining and quarry applications are faster, lighter, more service friendly and longer lasting than ever before. M-series bits use a solid shank, no blow-tube design and special Endro carbides that further enhance penetration rate and durability. These 6-, 7-, and 8-inch hammers can quickly be adjusted to a low- or high-flow configuration to get maximum performance on rigs with different air packages. For hole sizes from 6½ to 10 inches. www.epiroc.us. www.epiroc.us.

Joytech DTH hammers and bits: splendid drilling equipment for various working conditions. Achieve reasonable penetration with our effective solutions. It could also be utility pole drill system, RC overburden drilling system, JUCON, etc. We support all customers’ satisfaction with uncompromising commitment and sincerity. www.jthammer.com