The Milwaukee 2550-20 M12 Rivet Tool is a cordless rivet tool built for fast, repeatable blind rivet installation without dragging around a compressor or fighting a manual hand riveter. This is a rivet tool designed for fastening sheet metal and panel materials with aluminum, steel, and stainless steel rivets. Model Number: 2550-20. If you do automotive work, metal panel repair, or production-style fastening where speed and consistency matter, this tool makes a lot of sense.

On the job, the numbers here are what matter. The 0.8 inch stroke length and 2,000 pounds of pull force give the tool the capacity to pull 3/32 inch, 1/8 inch, 5/32 inch, and 3/16 inch rivets. It can also pull up to 3/16 inch stainless steel rivets, which is the size and material combo that usually separates a serious cordless rivet gun from lighter-duty options. Milwaukee also rates it for up to 450 1/8 inch steel rivets per charge on a 1.5 amp hour battery, so it is built for real production work, not just occasional repair jobs.

The big advantage over pneumatic riveting is convenience. There is no hose, no compressor, and no setup delay. You grab the tool, load the rivet, and go to work. That matters in service bays, on ladders, around trailers, and anywhere you are moving from one fastening point to the next. It also matters if you are doing repair work outside the shop and do not want to haul air equipment just to set a handful of rivets.

Milwaukee kept this one compact at 6.5 inches long, which is a real benefit in tight access work. Around vehicle body panels, under hoods, inside equipment housings, or along metal channels, shorter length is not just a nice spec on paper. It is what lets you keep the tool square to the work and finish the rivet without changing your body position or fighting clearance. The tool also holds the rivet in any orientation, which helps when you are working overhead, horizontally, or in spots where one hand is busy stabilizing material.

The design is aimed at reducing fatigue too. Milwaukee states the tool reduces muscle effort by over 60% versus a hand tool. If you have ever run a manual riveter through a long row of steel rivets, you already know why that matters. Less hand strain means more consistent work through the day and a better fit for repetitive fastening tasks.

Platform-wise, the Milwaukee 2550-20 M12 Rivet Tool runs on the Milwaukee M12 battery system. That is a practical buy for anyone already on M12 because it keeps batteries and chargers shared across other compact Milwaukee cordless tools. This version is a bare tool, so it is a good fit for existing M12 users who want to add a dedicated cordless riveting solution without paying again for batteries they already own.

Who should buy it? This is a strong pick for automotive technicians, body and collision repair, metalworking, maintenance crews, and anyone fastening sheet material regularly enough to be tired of manual riveting. If you only set a few rivets a year, a hand riveter still works. If riveting is part of your weekly workflow and you want cordless speed with compact size, this tool earns its spot.

Milwaukee 2550-20 M12 Rivet Tool Is the Right Buy for Real Rivet Work

This is the kind of cordless rivet tool that saves time every single day if riveting is part of your normal workflow.

• Who it's for: Automotive techs, metal fabricators, maintenance crews, and anyone installing blind rivets often enough to want faster work and less hand fatigue.
• Why it stands out: Compact size, 2,000 pounds of pull force, and the ability to pull up to 3/16 inch stainless steel rivets put it well past light-duty territory.
• Worth knowing: This is a bare tool, so plan on adding an M12 battery and charger if you are not already on the platform.

• What type of tool is this? This is a cordless rivet tool designed for installing blind rivets in metal fastening applications.
• What rivet sizes can it pull? It is designed for 3/32 inch, 1/8 inch, 5/32 inch, and 3/16 inch rivets.
• Can it pull stainless steel rivets? Yes. It can pull up to 3/16 inch stainless steel rivets.
• What battery system does it use? It runs on the Milwaukee M12 battery platform.