The DEWALT DCW220B belt sander is a cordless 3 in. x 21 in. sanding tool built for fast stock removal, surface leveling, and jobsite sanding without dragging a cord behind you. This is a belt sander designed for carpentry, woodworking, remodeling, and general material removal. Model Number: DCW220B. If you already run DEWALT 20V MAX batteries, this bare tool gives you a way to handle larger sanding work with the freedom of cordless power.

What makes this one matter is that DEWALT built it to cover work that usually pushes people back to a corded sander. The brushless motor is rated for up to 22% more power versus a corded comparison noted by DEWALT, and the larger 3 in. x 21 in. platen gives you more sanding surface than shorter compact belt sanders. On real work, that means faster passes on wide boards, better coverage when flattening surfaces, and less time creeping across long edges or panels.

Speed control is a big part of why this tool is more useful than a one-speed belt sander. You get a variable speed trigger with lock-on plus a 25-speed selection dial, so you can slow the tool down when you want more control and bump it up when you need aggressive material removal. That matters when you move from rough shaping into more controlled sanding on trim, scribing, hardwood, or surface cleanup where too much speed can leave you fighting the tool instead of guiding it.

DEWALT also got the jobsite details right. The quick-release, tool-free belt change system keeps downtime low when you need to swap abrasive, and the overmolded auxiliary handle gives you a more planted two-handed grip. For a belt sander, control is everything. A good front handle helps you keep the platen flat, steer cleanly during scribing work, and avoid gouging at the start or end of a pass.

Dust handling is another real advantage here. The DEWALT DCW220B belt sander supports AIRLOCK dust collection and is also listed as compatible with a standard 35 mm dust extractor setup. DEWALT states up to 95% dust collection efficiency with the compatible dust collection system. That is a practical feature, not brochure filler. Better dust pickup means a clearer view of your line, less cleanup in finished spaces, and less airborne dust when you are sanding inside a shop or occupied remodel.

This tool runs on the DEWALT 20V MAX battery platform and is sold as a tool only package, so battery and charger are not included. For buyers already invested in 20V MAX XR tools, that keeps cost down and makes this an easy add to the lineup. It also supports wireless tool control with compatible DEWALT vacuums or dust extractors, which is a nice upgrade if you are trying to keep dust management more automatic and less of a hassle.

At 9.26 lbs, this is not a trim-size sander and it is not trying to be. It is aimed at users who need belt-sander productivity in a cordless format. If you are a carpenter fitting scribed parts, a remodeler cleaning up framing lumber or subassemblies, or a woodworker knocking down stock quickly before finer sanding steps, this tool makes a lot of sense. If your work is mostly light finish sanding, a random orbit sander is still the better fit. But if you need fast removal and straight-line control, this is the right style of tool.

DEWALT DCW220B belt sander is the cordless pick for real stock removal

This is the belt sander you buy when a small finish sander is not enough and a cord is just one more thing slowing you down.

• Who it's for: Pros and serious DIY users doing carpentry, remodeling, woodworking, and scribing where fast material removal matters.
• Why it stands out: The 3 in. x 21 in. platform, brushless motor, 25-speed control, and strong dust collection options make it feel like a serious work tool, not a cordless compromise.
• Worth knowing: It is sold as a bare tool, and at 9.26 lbs this is built for productive sanding, not delicate finish work.

• Is this a corded or cordless belt sander? It is a cordless belt sander powered by the DEWALT 20V MAX battery platform.
• Does this come with a battery and charger? No. The DCW220B is a tool-only version, so the battery and charger are sold separately.
• Can it connect to dust extraction? Yes. It is compatible with DEWALT AIRLOCK dust collection and standard 35 mm dust extractors, and it also includes a dust bag.
• Does it have adjustable speed? Yes. It uses a variable speed trigger and a 25-speed selection dial for better control across different sanding applications.