- We use brass bushing to resist galling or seizing to the holder
- Heat-cured, permanent epoxy bonding prevents loose bushings
- Our bushings are deep set to expose the most abrasive for long life
- Each wheel is pre-trued and checked to assure accurate, vibration-free grinding
- General Purpose stones are used to remove material from cast-iron seats or inserts
- 11/16" x 16 thread