View all newsletters
Receive our newsletter – data, insights and analysis delivered to you
Pilgrim International|30 March 2021

Pilgrim’s Hydraulically Installed Locking Nuts (ST & LRL)

Pilgrim's Locking Nut is a combined tensioner and nut designed to remain in-situ following installation.

Pilgrim’s Locking Nut is a combined tensioner and nut designed to remain in-situ following installation. If your need is to join faces with integrity, predictability and speed or want to remove the possibility of galling, then this Pilgrim solution is ideal, there is an option to either select from our standard range or if required we can create bespoke solutions.


  • Available also in quick release.
  • Available with side or top entry connections.
  • Figures are given for operating pressure of 30,000lb/in² (2,070 Bar). Max Operating
  • Bespoke nut designs, such as High temp or thread forms (on request).

Typical Applications

  • Steam Turbines
  • Reactor Heads
  • Pumps
  • Rollings Mills, Shear Cutters etc.
  • Mining
  • Press Construction
  • Diesel Engines
  • Cable Tensioning
  • Other Bolting
  • Wellhead Equipment

Gerald Gentleman Station is Nebraska’s largest electric generating facility (1,365 MW).
Pilgrim were in discussions with Siemens to design and provide a standard coupling bolt solution based upon Pilgrim's Radial Fit Bolt technology.
It is common knowledge that ‘conventional coupling bolts’ suffer from seizure, which results in damage to both the bolt and coupling bolt hole each time...
TAES made a request to Pilgrim International early in 2019 to quote for the LP2 GEN bolting for the Prairie state coal-fired power station.
NEWSLETTER Sign up Tick the boxes of the newsletters you would like to receive. The top stories of the day delivered to you every weekday. A weekly roundup of the latest news and analysis, sent every Wednesday. The power industry's most comprehensive news and information delivered every month.
I consent to GlobalData UK Limited collecting my details provided via this form in accordance with the Privacy Policy