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Comptrol Incorporated has been leading manufacturer of ballscrew assemblies since 1952

Our pre-engineered ballnut assemblies and end supports let you select from a wide variety of standard products to configure the ballscrew assembly to meet your specific design and application requirements.

We also have the in-house engineering and manufacturing capability to meet your design requirement non-standard ballnut assemblies, end supports, and end machining.

  • Rolled, Precision Rolled, or Ground Ballscrews
    • Inch Series
    • Diameters from 0.187” to 4.000”
    • Leads from 0.050” to 2.000”
    • Rolled screw accuracy to +/-0.004”/ft
    • Ground screw accuracy to +/-0.0005”/ft

    • Metric Series Ball Screws
    • Diameters from 4mm to 80mm
    • Leads from 1mm to 50mm
    • Rolled screw accuracy to +/-23 microns/ 300mm
    • Ground screw accuracy to +/-12 microns/300mm
  • Single or Preloaded Ballnuts available in Base, Flange, Cut-off Flange, or Trunnion mounting configurations
  • End mounting bearing supports available in base, flange, and cut-off flange mounting configuration for simple, fixed, or rigid end support.
  • Custom end machining, ballnuts, and end supports
  • Reverse engineered assemblies to OEM or manufacturer’s specifications.
  • Inventory Management for replacement and production assemblies
  • Repair services

Assemblies for smaller or larger diameter inch, metric, and precision ground ballscrews are also available.