For medium or heavy-duty portable, bench or floor-mounted power tools
Exceptionally high accuracy, gripping power and durability
Wide range of capacities for use on threaded and taper-mounted spindles
Jaws treated to ensure thread life and high gripping surface hardness
1-piece sleeve
Fluted sleeve standard except models TB848 and TB849, which are smooth and ground
All series 33 Plain Bearing Chucks are hammer capable
Model TB855 is equipped with a positive drive slot