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Center Rock Inc., manufactures and distributes a complete line of air powered rock drilling tools and products worldwide. We serve the construction, oil and gas, deep geothermal, mining/quarry, and water well/geothermal industries.


Underground construction technology/utility/horizontal drilling can be a challenge and the Low Profile (LP) Drill Series from Center Rock is up to the task. The advanced engineering of the drills provides a cost effective solution for drilling and excavation requirements up to 144″ (3657.6 mm) in diameter. Our drills have been used by some of the nation’s largest building, roadway, and mining contractors to quickly drill holes to the exact size required by their specifications.

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ROTO LOC® Under Reamer

Center Rock’s revolutionary ROTO LOC® changes everything!

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DTH Hammers

The CRI hammer series uses a uniquely engineered air cycle to improve hammer performance and durability, even with water injection. The valveless design features specially configured porting to enable water injection through the hammer cycle. That means a more durable hammer that drills fast, wet or dry.

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Wassara Water Hammers

Center Rock now offers a complete line of world-renowned Wassara Straightforward Water Hammers!

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Nothing is more important to drilling success than drill bits that cut straight and fast through all types of rock. That’s why we offer our customers the best value in drill bits. 

Center Rock has a full range of face designs, button configurations, and shank styles in many sizes up to a 20″ (508 mm) head to match the application and rock they are drilling in.

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Product Accessories

Center Rock offers a complete line of complementary product accessories that help maximize efficiency and maintain your equipment.

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Drill Faster. Run Harder. Work Smarter.