KIMGU Replacement Chuck for Milwaukee M18 (42-66-2706/2707) — 1/2-inch chuck with 9/16-inch-18 internal thread

Refresh your Milwaukee M18 with a reliable replacement chuck

The KIMGU Replacement Chuck is designed to renew Milwaukee M18 drills and drivers by replacing worn or slipping chucks. It features a 1/2-inch chuck with a 9/16-inch-18 internal thread, crafted to fit a broad set of Milwaukee models, including popular 2700-, 2800-, and 2900-series tools. This is a practical upgrade option that can help restore grip, alignment, and bit retention on the job site, without altering the tool’s core design.

Compatibility and sizing

• Fits as a replacement for 9/16-inch chucks across Milwaukee models such as 2703, 2704, 2705, 2706, 2801, 2803, 2804, 2805, 2806, 2903, 2904, 2905, and 2906.
• Size is 1/2-inch with an internal thread of 9/16-inch-18; reference 42-66-1006 as a guide.
• Replaces Milwaukee chucks 42-66-2706 and 42-66-2707 for drills like 2704-20, 2704-22, 2804-20, and 2804-22.
• Replacement numbers include 42-66-1006, 42-66-2706, 42-66-2707, 42-66-0091, and 42-66-8003.

What you can expect in use

In real-world use, a well-matched chuck can contribute to steadier starts, reduced bit wobble, and smoother drive action. While performance depends on the entire tool setup, this replacement is designed to help maintain bite on bits and keep alignment consistent during drilling and driving tasks.

• Easy swap for compatible Milwaukee M18 models, minimizing downtime on the job site.
• Secure bit retention and stable torque for reliable operation.
• Rugged construction built to withstand regular on-site use and repeated swaps.

Before ordering, verify the size and thread type to ensure a proper match with your tool. Follow standard safety and installation steps to seat the chuck fully and maintain optimal performance.

This KIMGU chuck offers a practical option to refresh Milwaukee M18 tools, with broad model compatibility and straightforward installation guidance. Consider it as a feasible upgrade to help maintain tool reliability on demanding projects.