Milwaukee Self-Locking Chuck 1.5-13 mm, 1/2 inch x 20 UNF, Keyless, 3-Jaw, Black

Professional tradespeople and serious DIYers often face the frustration of drill bits slipping under high torque or losing time with keyed chucks. The Milwaukee Self-Locking Chuck 1.5-13 mm eliminates these issues with its keyless self-locking mechanism, providing a secure grip on bits from 1.5 to 13 mm. Whether you're drilling into steel on a construction site or switching between bits during a woodworking project, this chuck ensures quick, tool-free bit changes and reliable performance.

Key specifications

• Chuck type: Keyless self-locking
• Capacity: 1.5 – 13 mm
• Mounting thread: 1/2" x 20 UNF
• Jaw configuration: 3-jaw
• Material: High-grade steel
• Finish: Black
• Compatibility: Drills with 1/2"-20 UNF spindle
• Features: Automatic spindle lock, high gripping force, quick bit change

Why choose it

The self-locking design automatically tightens the jaws as you drill, preventing bit slippage even under heavy loads. The high-grade steel construction withstands impact drilling and daily job site abuse, while the black finish resists corrosion. With no key to lose, bit changes take seconds, boosting productivity.

Ideal use cases

• Replacing a worn chuck on a Milwaukee drill or compatible model
• High-torque drilling in metal, wood, and masonry
• Frequent bit changes in assembly or installation work
• Impact drilling applications where a secure grip is critical

Good to know

This chuck fits any drill with a 1/2"-20 UNF spindle thread. It is not suitable for SDS or other spindle types. For optimal performance, ensure the chuck is fully tightened by hand before drilling. The automatic spindle lock engages when the drill stops, allowing one-handed bit changes.