Engineered for industrial-grade performance, this Jacob's plain bearing chuck features fully hardened and ground components for exceptional accuracy and gripping power. The one-piece sleeve design eliminates common cracks, ensuring long-lasting durability for medium or heavy-duty power tools.

• Center-ground jaws ensure absolute straightness and precise alignment
• One-piece sleeve design eliminates cracks between driving teeth for increased longevity
• Through-hardened sleeve teeth, nose, and keyholes provide outstanding wear resistance
• 100% inspected for guaranteed performance and precision
• Maximum T.I.R. of 0.004 in. at half capacity for high accuracy
• Capacity range from 0.0135 in. to 0.156 in.
• Compatible with 0JT taper mount spindles
• Includes chuck key (Uses key No. K0)