Jacobs 6287C 33BA Medium Duty Plain Bearing Keyed Chuck 2.0 to 13.0 Millimeter Capacity with 1/2-Inch 20 Threaded Mount

From the Manufacturer The Jacobs 33BA Plain bearing chuck is the world's most widely used for portable, bench, or floor mounted power tools. This Industrial grade quality chuck, with fully hardened and ground working components, offers exceptionally high accuracy, gripping power and durability. The chuck capacity is from 0.08-Inch to 0.5-Inch (2.0 Millimeter to 13.0 Millimeter) with 1/2-20 threaded mount. T.I.R. 0.004-Inch maximum at half capacity. Like all of Jacobs Plain Bearing Chucks, each Jacobs 33BA Plain bearing chuck is 100-Percent inspected for performance and precision, and includes a one year factory warranty.

• High accuracy T.I.R. 0.004-Inch maximum at half capacity
• Jaws center-ground for absolute straightness and alignment
• One-piece sleeve eliminates crack between driving teeth often found in other designs
• Through-hardened sleeve teeth, plus hardened nose and keyholes provide outstanding wear resistance
• Each chuck 100-Percent inspected for performance and precision