20mm
Keyed chuck with B22 taper. A correct taper adapter may be required to fit the
chuck to your machine application. This version is B22 (Metric DIN standard).

• B22 taper
  • Large taper diameter: 21.793mm
  • Small taper diameter: 19.80mm
  • Taper length: 40.50mm
• Opening capacity: 20mm
• All metal construction
• Chuck key included

Installation Info
Clean both tapers of all grease and grit. With the chuck jaws completely
retracted into the chuck and using a thin piece of wood to protect the chuck nose,
tap the chuck into place on the spindle/taper adaptor.

To remove chuck from arbor

Insert wedges between the back of the chuck and the shoulder of the arbor as shown in the picture on the right.

By tapping these wedges with a hammer or applying force in a bench vice, the wedges will force the chuck off the arbor shaft.