Internal Grinding

Adhering to the highest industry standards.

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Our internal grinding department is equipped with 4 internal grinders. We have the capabilities to grind parts with bores as small as .750″ in internal diameter and our maximum swing machine can swing up to 90″ diameter and 48″ in depth. We are equipped for deep hole grinding and can grind holes up to 36″ in depth. We can hold tolerances as close as .0002″ on most applications.

strigent quality control


  • Bearing housing and cages
  • Gear hubs
  • Hydraulics (cylinder barrels, swivel housings, piston bores, valve bores)
  • Drill cylinders (pneumatic and hydraulics)
  • Actuator cylinders
  • Pump housings
  • Spindle bore