The DEWALT 20V MAX XR Brushless Cordless 3/16 in. Rivet Tool, Model DCF403B, is a battery-powered riveter built for installing blind rivets in sheet metal and fabricated assemblies. This is a cordless rivet tool designed for setting blind rivets in metalworking, mechanical, electrical, plumbing, and automotive applications. If you already work on the DEWALT 20V MAX platform and need a faster alternative to hand riveters, this tool gives you real jobsite speed without dragging around an air hose.

The big story here is pulling force and productivity. DEWALT rates it at up to 2,100 lbf of pulling force, which is what lets it handle aluminum, steel, and stainless steel blind rivets up to 3/16 inch. It also has a 0.98 inch stroke length, so most rivets can be fastened in one stroke instead of fighting through a partial set. On repetitive fastening work, that matters. You get more consistent installs and less hand fatigue compared to manual riveting.

This riveter is set up for production-style work, not occasional patch jobs. DEWALT states it can pull up to 800 rivets per charge when used with 3/16 inch stainless steel rivets and a DCB203 battery, sold separately. That kind of runtime makes sense for shop fabrication, panel installation, trailer work, metal enclosures, and service crews who need cordless mobility but still have a lot of rivets to set in a day.

DEWALT also did the practical stuff right. The tool-free nose piece change keeps setup simple when you move between rivet diameters, and the on-board nose piece storage means you are less likely to lose the parts you need halfway through a job. An on-board mandrel collector helps manage spent mandrels instead of letting them scatter across the floor or inside finished equipment. There is also an integrated LED work light to help when you are inside cabinets, under vehicle bodies, or working in dim mechanical spaces.

As a bare tool, the DCF403B is aimed squarely at users who already own DEWALT 20V MAX batteries and chargers. It is a 20V cordless riveter with battery power and no cord to manage, which is a real advantage when you are climbing ladders, working overhead, or moving around large assemblies. If you are already invested in the DEWALT cordless system, adding this rivet tool is a straightforward way to speed up fastening without adding another power platform.

The included nose pieces support 3/32 inch, 1/8 inch, 5/32 inch, and 3/16 inch rivets, so the tool covers the common blind rivet sizes a lot of trades actually use. That makes it useful for HVAC duct and panel work, electrical enclosures, sheet metal fabrication, plumbing supports, automotive body and accessory work, and general mechanical assembly. It is not a one-size-fits-all shop gimmick. It is a purpose-built fastening tool for people who set rivets often enough to care about speed, consistency, and less downtime.

Who should buy it? Pros and serious DIY users who regularly work with blind rivets and want cordless convenience without giving up pulling performance. If you only set a few rivets a year, a manual riveter is cheaper. If riveting is part of your normal workflow, the DEWALT 20V MAX XR Brushless Cordless 3/16 in. Rivet Tool earns its keep fast.

DEWALT 20V MAX XR Brushless Cordless 3/16 in. Rivet Tool for real rivet work

The DEWALT 20V MAX XR Brushless Cordless 3/16 in. Rivet Tool makes a lot of sense for anyone who installs blind rivets often enough to be tired of squeezing hand tools or dragging hoses around.

• Who it's for: Sheet metal pros, service techs, mechanical installers, automotive users, and anyone already on DEWALT 20V MAX who sets rivets regularly.
• Why it stands out: 2,100 lbf of pulling force, one-stroke capability for most rivets, and thoughtful details like tool-free nose changes, mandrel collection, and onboard storage.
• Worth knowing: This is a bare tool, so you need a battery and charger if you do not already have them. If riveting is occasional for you, it may be more tool than you need. If riveting is part of the job, this is the kind of upgrade you notice on day one.

• What size rivets can this tool pull? It is compatible with 3/32 inch, 1/8 inch, 5/32 inch, and 3/16 inch blind rivets.
• What rivet materials can it handle? DEWALT states it can pull aluminum, steel, and stainless steel blind rivets.
• Is this a bare tool? Yes. The DCF403B is sold as tool only, so the battery and charger are sold separately.
• How much pulling force does it have? The brushless motor delivers up to 2,100 lbf of pulling force.