Note: 

this chuck is compatible with Gen 1 Milwaukee M18 drills,  but not compatible with Gen 2 and 3, which take 9/16-18 threaded chucks.

Description:

A keyless drill chuck is a type of drill chuck that doesn't require a separate key to tighten or loosen it. Instead, it has an internal mechanism that allows you to hand-tighten or release it with ease, which saves time and effort.

This Keyless Drill Chuck with a Metal Heavy Duty design is built for durability and robustness, making it ideal for tough drilling applications that require a high level of torque and pressure. It can withstand frequent use in harsh environments and maintain its performance over time.

The "1/2-20UNF Thread" specification refers to the thread size and pitch of the chuck's mounting shaft, which is compatible with a wide range of power tools that have a corresponding spindle size.

The chuck can hold drill bits of different sizes within the range of 2mm to 13mm.