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% inspected for performance and precision., T.I.R. .004” maximum at half capacity.
The Jacobs 14442 34-02 1/2-Inch Heavy Duty Plain Bearing Keyed Chuck with No.02 Jacobs Taper Mount 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, offer exceptionally high accuracy, gripping power and durability. The chuck capacity is from 0.04-Inch to 0.50-Inch (1.0 Millimeter to 13 Millimeter) with No. 2 Jacobs Taper mounting. T.I.R. 0.004-Inch maximum at half capacity. Like all of Jacobs Plain Bearing Chucks, each Jacobs 34-02 Plain bearing chuck is 100-Percent inspected for performance and precision, and includes a one year factory warranty.