11070 Series Internal Thread (BOX) Bar-Style Tools

About the 11070 Series

The complete CJWinter line of tooling for cold root rolling rotary shouldered connections is compatible with any CNC lathe, and our in-house engineering staff is always available to help with technical manufacturing situations. The 11070 allows you to increase fatigue resistance without slowing down your process.


  • 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 11070-SA Series will roll all standard API Rotary Shouldered BOX connections in the following ranges.

  • NC38 to NC70
  • NC35 with Special SA1 series
  • 4 1/2 REG thru 8 5/8 REG
  • 4 IF to 6 5/8 IF
  • 4 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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