Center Rock, Inc. (CRI)

CRIModel Rock Extreme -DTH Hammer

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Center Rock’s newly re-engineered Rock Xtreme product line includes 4” (101.6mm) -12” (304.8mm) hammers and the respective bit range to support each hammer. The new RX tools feature customer-driven improvements that boost ease of use, performance, and durability. Built to excel in the most challenging drilling conditions, the RX hammer & bit line combines high impact power with compact convenience, all while delivering Center Rock’s legendary reliability. 

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Noteworthy attributes are a high performance and high frequency air cycle which has been incorporated into the RX line providing faster penetration rates and smoother operation, shorter overall length which is advantageous in low headroom applications, lighter weight hammer & bit for safer and easier handling, and a tube free bit with the most robust shank in the industry.

  • These high-frequency DTH hammers create an extremely smooth, low-vibration impact to the drill rig, minimizing downtime due to vibration-related failures
  • Short, lightweight, and simple, the hammers easy to handle and service
  • The unique RX shank design packs 50% more shank area than a QL6 bit