Jacobs 130-1/2 Medium Duty Industrial Keyless Drill Chuck, 1/2 in. - 20 Mount

Engineered for high-precision applications, this Jacobs industrial keyless chuck enables rapid tooling changes to maximize machining productivity. The advanced self-tightening mechanism automatically increases gripping force in proportion to torque to prevent tool shank slippage.

• Medium-duty industrial design suitable for both conventional and CNC equipment.
• Keyless operation allows for rapid, hand-tightened tooling changes to increase efficiency.
• Self-tightening mechanism automatically increases grip force as drilling torque increases to prevent slippage.
• Precision manufactured to exacting standards for high reliability in demanding machining conditions.
• Compatible with tools ranging from 0.039 in. to 0.512 in. (up to 20 mm) in diameter.
• Features a 1/2 in. - 20 mount for professional drilling applications.