On-Site Field Machining Services

Tri Tool Services has highly trained personnel who perform rapid and reliable field machining services and technical support. Tri Tool Services provides in situ machining support to our customers to respond quickly to outages, infrequent operations, or special construction and maintenance projects.

Experienced technicians will assist your craft personnel through all phases of your project, providing equipment and tooling recommendations as well as ongoing maintenance of equipment to keep your project running smoothly and on schedule


Tri Tool Services is equipped with the industry’s top rated machining equipment including the Tri Tool 600 Series Clamshell line and the BEVELMASTER ID beveling systems. These systems are designed to operate with low radial and axial clearances, and deliver maximum performance accuracy on pipe from 1″ to 60″, producing various bevel configurations dependent on your welding process.


The sealing surfaces of your smallest to largest flanges can be machined in-place, with equipment designed for mounting in difficult or tight clearance configurations. Equipment is available for resurfacing of raised face and RTJ flanges, heat exchanger channel heads, tube sheets, and many other similar operations. All in situ machining services are performed to meet applicable industry specifications.


Complete systems are available for all phases of boiler work. Specialized machinery ranges from track-mounted panel saws for water wall cutting, machines for rapid end-prep of tubing or to perform heavy-wall header replacement. Tri Tool’s field-proven boiler equipment has been developed for fast and repeatable header tube stub removal and hole preparation.


Tri Tool’s on-site counterboring solutions produce precision, deep counter bores and smooth blends for concentric pipe geometries for excellent ID bore and wall thickness consistency. Counterboring is a critical operation where non-destructive testing (NDT) procedures are to be implemented. Different counterboring systems are available for maximum versatility and efficiency.


Tri Tool offers mount portable milling systems that provide machine shop precision cuts on any surface. This in situ milling machine offers many advantages and design options for plant maintenance. Portable milling is excellent for providing a means to machine motor and pump bases, access windows on vessels, and weld excavation where cracks in components can be milled away prior to re-welding.
• 3-Axis Milling         •Foundation Milling


Tri Tool performs boring operations for power generation applications on components such as nozzles, headers, pipe penetrations and thermo wells. Line boring of heavy equipment or plant equipment can be performed at remote locations for scheduled maintenance or emergency repair. A wide variety of equipment and mounting options are available to meet your field machining needs.


Tri Tool’s Services Division can support you with virtually any specialized operations on critical components such as:

  • Pipe Cutaway (Demolition)
  • Window Cutting
  • Vessel Milling
  • Turbines
  • Pipe Casings
  • Weld Excavation
  • Dry Cask Storage
  • Manways
  • Weld Overlay Machining
  • Hole Induction
  • Valve Cut-Outs
  • Valve Replacements
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