The Milwaukee 2486-22 M12 FUEL 1/4" Straight Die Grinder 2 Battery Kit is a cordless straight die grinder built for grinding, sanding, deburring, and cut-off work where mobility matters. This is a straight die grinder designed for detail metalworking, service work, and accessory-driven surface prep. Model 2486-22 includes the tool, two M12 REDLITHIUM CP2.0 batteries, a charger, carrying case, and two wrenches.

What makes this tool matter is the combination of cordless access and real output. Milwaukee rates it at up to 0.3 horsepower and positions it to replace pneumatic die grinders, which is exactly why this kit makes sense for mechanics, metal fabricators, and maintenance pros who are tired of dragging around an air hose and compressor for short jobs. The straight body design also helps when you need to get into narrow spaces or work inline with the accessory.

Control is a big part of the story here. The Milwaukee 2486-22 M12 FUEL 1/4" Straight Die Grinder 2 Battery Kit uses 3-mode RPM control plus a responsive variable-speed trigger, so you are not stuck with one all-or-nothing speed. That matters when you switch from lighter cleanup work to a wire wheel or a 2 inch cut-off wheel. Based on the provided image data, the three modes are geared around common accessory use: 10,000 RPM for delicate applications, 15,000 RPM for wire wheel brushing, and 21,000 RPM for faster cut-off work.

On the hardware side, this is a brushless tool with a 1/4 inch collet and a straight handle layout. Milwaukee also calls out vibration dampening for improved comfort and an LED light for better visibility at the work surface. Those are not throwaway features on a die grinder. Less vibration helps on longer cleanup jobs, and the LED is useful when you are working inside engine bays, machinery, or shadowed corners of a fabrication setup.

The tool is optimized for 2 inch accessories and fits 1/4 inch shank accessories. That gives you a clear target for accessory choice and helps avoid guesswork when setting the tool up for sanding, surface prep, or small cut-off tasks. Since it is part of the M12 system, battery compatibility is straightforward for anyone already running Milwaukee 12V cordless tools. If you are already invested in M12, this tool drops right into the lineup without adding another charger platform to the truck or shop.

Jobsite practicality is another strong point. Bare tool weight is listed at 1.2 lb, and weight with battery is 1.6 lb, so it stays easy to manage for overhead work, awkward angles, and long periods of one-handed use. Overload protection also adds a layer of protection when the tool is pushed hard. For a die grinder, that mix of power, low weight, and cordless freedom is what makes the tool useful day after day instead of just looking good on paper.

If you mostly work at a bench with permanent air lines, pneumatic may still be fine. But if your work moves around the shop, out to the driveway, onto a service truck, or into places where hose management slows you down, this kit makes a strong case fast. It is a good fit for automotive service, maintenance crews, metalworking, and serious DIY users who want a compact cordless die grinder that is easier to grab and use than an air tool setup.

One of the handiest ways to ditch the air hose

The Milwaukee 2486-22 M12 FUEL 1/4" Straight Die Grinder 2 Battery Kit gives you real die grinder performance in a compact cordless package that is easy to grab for everyday cleanup and cut-off work.

• Who it's for: Mechanics, maintenance techs, metal fabricators, and serious DIY users who want cordless access without giving up control.
• Why it stands out: The 0.3 HP output, 3-mode speed control, low weight, and M12 battery compatibility make it a practical replacement for many pneumatic tasks.
• Worth knowing: This tool is optimized around 2 inch accessories and 1/4 inch shank fitment, so match your attachments to what the tool is built to run best.

• Is this a cordless or pneumatic die grinder? It is a cordless M12 straight die grinder designed to replace pneumatic die grinders for many common applications.
• What size accessories does it accept? It uses a 1/4 inch collet and is optimized for common 2 inch accessories.
• Does it have variable speed control? Yes. It has 3-mode RPM control and a variable-speed trigger.
• What battery platform does it use? It runs on the Milwaukee M12 battery system.