Our TT-820 has a 8.00” swing with 20.00” length between centers.  Capable of grinding between centers, out of a chuck or even a 5C collet, giving you the ease of use and flexibility to produce a variety of tooling.


Product Features

  • 508mm Maximum grind length between centers
  • 200mm Maximum grind diameter
  • 355mm Max diameter wheel size
  • Variable speed spindle control 500 – 4500 RPM
  • Machine accuracy ±0.002mm
  • Machine repeatability ±0.001mm
  • 5 HP Spindle Motor
  • Variable speed work head 50–800 RPM
  • Work head angle adjustment ±45 Degrees
  • Table Angle Adjustment ±6 Degrees
  • Rigid cast iron base
  • LCD flat panel monitor
  • Multiple Dressing options for diamond, CBN, and conventional grinding wheels
  • Intuitive Programming
  • Precision Ball Screws
  • Excellent sight-lines & work height
  • Ultra-Precision Accuracy
  • Profile Grind, Plunge Grind, Peel Grind
  • Versatile work head allows for between centers, 5C collet and grinding from a chuck
  • Available with optional length probing, automatic wheel dressing, temperature controlled oil coolant filtration down to 1-micron, mist extraction, rotary or dual single point diamond dressing with automatic compensation for vitrified/conventional wheels and more.


  • TRU TECH Systems offers a one (1) year limited warranty on all parts and labor.  The machine is guaranteed free of defective parts and workmanship for a period of one (1) year from the date of delivery.  Any parts found to be defective due to TRU TECH workmanship or premature failure will be replaced free of charge.  Failure due to improper care, abuse or negligence of maintenance may void warranty.


  • Includes 4 days of  training in our state of the art training center located in Mount Clemens, Michigan.

Space Requirements

  • Machine footprint is approximately 1.5M x 2.5MTT-820-686px

Power Requirements

  • 200-480V 50/60 Hz configurations are optional, including transformer options

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24550 N. River Road
Mt. Clemens, MI  48043

Machine Sales
Call: 586-469-2700

Grinding Services
Call: 586-469-2700

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