• Trinel can straighten all materials to our customer's specification whether it is to industry standard (1/8" to 5') or to pumpshaft quality (.0015 per foot).
  • We are capable of straightening bar and tube in two different processes, press and rotary.
  • We can produce straightness and inspection reports for tight tolerance jobs. Such as pump shafts, boat shafts and tir readings.
  • We specialize in pump shaft and boat shaft tolerances.


  • Rotary Straightening 3/16" to 4 1/2"
  • Press Straightening 1" to 11"
  • Precision Straightening to .003 TIR
  • .001 per foot
  • Up to 100' length