The 12" External Spindle for Dumore Series 12 & Series 25 interchangeable spindle tool post grinders is for external grinding with 1 1/4" bore diameter grinding wheels up to 12" wheel diameter, 1 1/4" wheel thickness.
Maximum recommended speed: 4,000 rpm
Includes:
Requires Series 12 Spindle Adaptor Kit (858-0034), not included, when used on Series 12 Tool Post Grinders.