Jacobs® 31038 Keyless Drill Chuck, 1/2"

Split bite jaw: increases grip over standard bite chucks by providing more contact with the bit. Superior gripping force: provides high mechanical advantage to convert hand tightening torque into superior bit gripping force. Hammerlock® mechanism: positive locking mechanism prevents loosening in hammer and other high vibration applications.

• Hammerlock® mechanism: positive locking mechanism prevents loosening in hammer and other high vibration applications
• Anti-lock nut: prevents chuck from locking open
• Split bite jaw: increases grip over standard bite chucks by providing more contact with the bit
• Superior gripping force: provides high mechanical advantage to convert hand tightening torque into superior bit gripping force
• Versatility: 13mm (1/2”) variable speed corded and cordless portable drills
• Precision operation: meet or exceed stringent din run-out and dimensional specifications
• Ergonomic design: material and surface finish combinations result in increased comfort and performance
• Rugged construction: constructed of high performance material to maximize durability and performance.

Additional Info:

• Maximum Capacity: 0.500 in
• Minimum Capacity: 0.062 in
• Mount: 1/2-20
• Sleeve Outer Diameter: 1.68 in.