CAT Spindle Grinding Service
Specialists in on-site precision spindle
taper repair and restoration.
Serving the entire USA and Mexico
We repair your spindle taper seat while the spindle remains in the machine.
Saving you and your company both time and money.

Long term wear can create a loss of as much as 50% or more surface contact between the tool holder and the spindle taper.
With precision equipment and over 24 years of machining experience, we will come to your shop and repair you're worn , wrecked, or crashed spindle taper seat. With CAT Spindle Grinding Service, there's minimum machine tear down and regrind only requires a few hours down time.
Machine alignments are not affected by in place grinding and tolerances are held within new spindle specifications.