11071 Series External Thread (PIN) Bar-Style Tool

About the 11071 Series

The 11071 Series Cold Root Rolling tools burnish the thread root in rotary shouldered connections. The process adds strength and stability, decreasing the likelihood of joint failure and prolonging the connection’s service life by up to three to five times.


  • EPL internal tool uses 1″ OD x .375 wide EPL rolls
  • 2.5″ x 4″ long shank standard
  • Other sizes are available upon request to meet machine requirements

The 11071-SA Series will roll all standard API Rotary Shouldered PIN connections in the following ranges.

  • NC23 to NC70
  • 2 3/8 REG to 8 5/8 REG
  • 2 3/8 IF to 6 5/8 IF
  • 3 1/2 FH to 6 5/8 FH

Why Cold Root Rolling?

Cold root rolling has been proven to prolong the service life of drilling connections by three to five times. Increase fatigue resistance of your connection without slowing down your process — contact our team today to learn more.

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