Engineered for heavy-duty, close tolerance production drilling, this ball bearing chuck maximizes gripping force and drilling torque. The precision-ground jaws and through-hardened sleeve ensure outstanding wear resistance and accuracy under demanding machining conditions.

• Ball bearing construction maximizes gripping force and drilling accuracy
• Jaws are center ground for superior straightness and alignment
• One-piece sleeve design eliminates cracks between driving teeth
• Through-hardened sleeve teeth, nose, and keyholes provide outstanding wear resistance
• Fluted sleeve comes as standard
• Each chuck is 100% inspected for performance and precision
• Maximum T.I.R. of 0.003 in. at half capacity
• Capacity range: 0.04 in. to 0.375 in.
• 2JT taper mount compatible
• Includes chuck key (Uses key No. K32)