The Series 57 interchangeable spindle tool post grinder internal & external grinding kit includes spindles and accessories for both internal and external grinding, and your choice from four motor options - 1/2 HP, 3/4 HP, 1 HP single phase, or 1 HP 3-phase.
Dumore Series 57 tool post grinders, for lathes with 9" to 20" swing, are capable of external grinding with grinding wheels up to 6" diameter and internal grinding to 18" deep, depending on the spindle selected.
Belt and pulley combinations provide nine spindle speeds. The coil spring applies constant tension to compensate for belt stretch, assuring proper alignment and vibration-free grinding.
Each Series 57 Internal & External Grinding Kit includes: