Your primary choice in extreme applications  

The XR Prime reamer hole enlargement tool expands on the XR™ reamer platform with tougher cutting structure and stability for small hole opening ratios and extreme applications.

Superior reliability for the most challenging projects 

The XR Prime reamer hole enlargement tool is designed to deliver reliability, durability, and hole quality in challenging applications. It can be deactivated after enlarging the original pilot hole size, so that drilling can continue and allows for full flow circulation while tripping out.


  • Minimal lateral vibration 
  • Low flow rate required for arms to remain open 
  • Reliable activation/deactivation system 
  • Self-stabilized tool

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