Established in 1964, Tolerances Grinding Co. started as a small job shop providing quality centerless grinding services to the manufacturing industry. Today we remain a provider of quality and precision centerless grinding services. Continuous training and equipment upgrades enable us to serve our customers with the highest quality at competitive prices.

Centerless Grinding Service Capabilities

  • Diameters from 0.050 - 0.625
  • Thrufeed lengths from 0.250 - 12 foot bar stock
  • Infeed ground lengths to 9 inches
  • Tolerances to 0.0002 inches
    • Surface finishes to 10 RMS
    • Screw-Machined as well as Cold-Headed parts ground
    • Dowel & Bearing Pins, Motor Shafts, Flats, Captivated Screws ground
    • CRS, Stainless Steel, Brass, Aluminum, Others
    Tolerances Grinding Co., Inc.

    Contact us at:

    Phone: 630.543.6065 • FAX: 630.543.6067
    1020 National Ave • Addison, IL 60101