The external spindle insert, for use with Insert Spindle (802-0024) on Dumore Series 57 interchangeable spindle tool post grinders, is for external grinding with 3/8" bore diameter grinding wheels, up to 5" wheel diameter, 1/2" wheel thickness.
Maximum recommended speed: 15,000 rpm
Includes:
- Wheel Collars
- General Purpose Grinding Wheels
- 3" (774-0078)
- 4" (774-0098)
- 5" (774-0110)
Requires Insert Spindle (802-0024) - not included, sold separately
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