Milwaukee 42-66-0023 Keyless 1/2 Inch Drill Chuck

Product Description

The MILWAUKEE 42-66-0023 is a keyless 1/2 inch drill chuck designed as a replacement accessory for compatible Milwaukee power tools. Keyless chucks allow for fast, tool-free bit changes directly by hand, reducing downtime on the job. This chuck accepts round and hex shank bits and accessories up to 1/2 inch in diameter. It is a OEM-sourced Milwaukee part, making it a direct-fit option for technicians and tradespeople who service or maintain Milwaukee drills and drivers in the field or the shop.

This chuck is suited for use in residential, commercial, and industrial settings wherever Milwaukee 1/2 inch drills are in service. Electricians, plumbers, HVAC technicians, and general contractors who rely on Milwaukee power tools will find this a practical service replacement. It is intended for installation by individuals comfortable with power tool disassembly and reassembly, or by tool repair technicians.

Key Features

• Keyless design allows hand-tightened bit changes without a chuck key
• 1/2 inch capacity accommodates a wide range of drill bits and driver accessories
• OEM Milwaukee replacement part for direct fitment
• Lightweight construction at under 1 pound

Compatibility

Designed as an OEM-style replacement chuck for compatible Milwaukee 1/2 inch drill and driver models. Consult the Milwaukee parts documentation or your tool model number to confirm fitment before installation.

Installation Notes

Chuck replacement should be performed by a qualified tool repair technician or experienced user familiar with power tool disassembly. Disconnect and unplug the tool or remove the battery pack completely before beginning any service work. Proper removal of the existing chuck typically requires securing the spindle and reversing the retaining screw if present. Follow Milwaukee service documentation for the specific host tool to avoid damage to the spindle threads.

Technical Specifications

• Chuck Capacity: 1/2 inch
• Chuck Type: Keyless
• Weight: Under 1 pound

Standard Information

• Brand: MILWAUKEE
• Manufacturer Part Number: 42-66-0023