NOTE: Guide rail(s) sold separately
Key Features
Clean, Fast CutsThe POWERSTATE brushless motor spins the blade up to 5,600 RPM, giving this plunge track saw the speed to cut hardwood cleanly without dragging the tool through the cut. Less Dust, Better SightlineMilwaukee rates it for over 90% dust collection efficiency, which helps keep the cut line visible and cuts cleanup time when you’re working inside finished spaces. Track-Ready AccuracyThe adjustable cam system, smooth plunge action, micro-adjust depth control, and bevel stops are all built to help you dial in straight, repeatable finish cuts instead of fighting the saw.
Overview
The Milwaukee 2831-21 M18 FUEL 6-1/2 in. Plunge Track Saw Kit is a cordless plunge track saw built for carpenters, remodelers, and trim crews who need straight, finish-quality cuts without hauling around a corded shop setup. This is a plunge track saw designed for precision ripping, crosscutting, and sheet goods breakdown. Model Number: 2831-21. If you work in finished interiors, custom installs, cabinet work, or jobsite trimming, this is the kind of saw that earns its keep by combining portability with controlled, accurate cutting.
At the center of the saw is Milwaukee’s POWERSTATE brushless motor, which delivers up to 5,600 RPM. That matters because a plunge saw is only as useful as the cut quality it leaves behind. The speed helps the 6-1/2 inch blade stay clean through hardwood, plywood, and common remodeling materials, while the variable speed dial lets you back the blade down when the material or finish calls for a more controlled approach. Instead of one fixed setup for every cut, you can tune blade speed to the application.
What separates a track saw from a standard circular saw is control, and Milwaukee clearly built this one around that. The smooth plunging action makes it easier to drop into a panel or start a precise cut without the tool feeling jerky. The easy slide depth stop and micro-adjust depth knob give you finer control when you need the blade set exactly right for veneer plywood, countertops, flooring, or partial-depth scoring cuts. Add in bevel stops at 0, 22.5, and 45 degrees, and the saw is set up for repeatable angle work instead of one-off guesswork.
Milwaukee also paid attention to the stuff that affects real jobsite use. The adjustable cam system lets you dial in the fit between the saw and the rail so the tool tracks tightly for straight cuts. The riving knife helps keep material from pinching the blade and reduces kickback risk, which is especially important when you’re making long rips or plunge cuts in sheet stock. Onboard Allen wrench storage means blade changes are less of a scavenger hunt, and the overall tool weight of 9.13 lbs keeps it manageable when you’re moving room to room or hauling gear in and out every day.
Dust control is a big part of why people buy a plunge saw in the first place, and this one is built to deliver there too. Milwaukee states over 90% dust collection efficiency, which is a real advantage when you’re cutting indoors, working in occupied homes, or trying to keep a cabinet shop corner from getting buried. It is also compatible with 1-7/8 in. vacuum hoses, so it’s easier to tie into the vac setup many pros already own. Better dust control means better cut-line visibility and less cleanup after the work is done.
Because this is an M18 tool, it fits into Milwaukee’s broader cordless platform instead of living as a one-off specialty saw. The kit includes an M18 REDLITHIUM HIGH OUTPUT XC6.0 battery, an M18 and M12 Rapid Charger, and a PACKOUT XL Tool Box, so you’re not starting from scratch. For Milwaukee users already invested in M18 batteries and chargers, that’s a practical advantage. For buyers stepping into the platform, this kit gets you the saw, power source, charging setup, and storage in one package.
Who should buy it? If you’re a professional carpenter, remodeler, finish installer, or serious DIY user doing built-ins, cabinet installs, flooring, doors, panels, or clean rip work on site, this Milwaukee plunge saw makes sense. If you mostly rough cut framing lumber outdoors, a standard circular saw may be the simpler answer. But if your work depends on straight cuts, cleaner edges, portability, and less dust inside finished spaces, the Milwaukee 2831-21 is built for exactly that job.
Milwaukee 2831-21 M18 FUEL 6-1/2 in. Plunge Track Saw Kit for Straight, Controlled Cuts
This saw is built around precision, not brute force alone. When you need long, accurate cuts in plywood, trim panels, countertops, or hardwood stock, the rail-guided design and plunge action give you a lot more control than a standard sidewinder.
- Adjustable cam system helps dial in saw-to-rail fit for straight cuts
- Smooth plunge action improves control when starting cuts mid-panel
- Bevel stops at 0, 22.5, and 45 degrees speed up repeat angle work
Cleaner Work in Finished Spaces
Track saws are often used where mess matters, and Milwaukee built this one with that in mind. Better dust collection keeps the line easier to see, helps protect finished rooms, and means less time sweeping up after every cut.
- Milwaukee states over 90% dust collection efficiency
- Compatible with 1-7/8 in. vacuum hoses
- Good fit for indoor remodeling, trim work, and cabinet installation
Ready to Travel With the Rest of Your M18 Gear
This kit is set up for crews that move. You get the saw, battery, charger, and a PACKOUT XL Tool Box, so the whole setup stores and transports like the rest of a Milwaukee jobsite system instead of becoming one more loose specialty tool.
- Includes M18 REDLITHIUM HIGH OUTPUT XC6.0 battery pack
- Includes M18 and M12 Rapid Charger
- Includes PACKOUT XL Tool Box for storage and transport
What’s in the Box
- (1) Milwaukee M18 FUEL 6-1/2 in. Plunge Track Saw Kit (2831-21)
- (1) M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery Pack (48-11-1865)
- (1) M18 and M12 Rapid Charger (48-59-1808)
- (1) PACKOUT XL Tool Box (48-22-8429)
Key Specifications
| Battery Platform | M18 |
|---|---|
| Blade Diameter | 6-1/2 in. |
| Arbor Hole Diameter | 20 mm |
| No-Load Speed | 5,600 RPM |
| Weight | 9.13 lbs |
| Length | 14.3 in. |
| Height | 10.8 in. |
| Vacuum Hose Compatibility | 1-7/8 in. |
Compatibility
Battery Platform Part of the Milwaukee M18 system and compatible with M18 batteries. Charging System Kit includes an M18 and M12 Rapid Charger for charging Milwaukee M18 and M12 battery packs. Dust Extraction Compatible with 1-7/8 in. vacuum hoses for jobsite dust collection.
Built For
CarpentryRemodelingCabinet InstallationTrim WorkSheet Goods BreakdownHardwood RippingFinish CarpentrySerious DIY / Hobbyist
Pro Tip
Take a minute to dial in the adjustable cam system to your rail before making finish cuts. A properly fitted saw-to-track setup cuts cleaner, tracks straighter, and makes the plunge action feel a lot more controlled.
Warranty & Support
5 Year warranty on the tool and 3 Year warranty on the battery.
Tool Nut’s Take
Tool Nut’s Take
One of the smartest cordless saws for finish-focused work
The Milwaukee 2831-21 M18 FUEL 6-1/2 in. Plunge Track Saw Kit is the kind of tool that makes a lot of sense when straight, clean cuts matter more than raw framing speed.
- Who it’s for: Carpenters, remodelers, cabinet installers, flooring crews, and serious DIY users who need a portable track saw for accurate cutting on site.
- Why it stands out: You get cordless M18 convenience, strong dust collection, good plunge control, and the adjustment points needed to actually tune the saw for precise finish work.
- Worth knowing: This is a specialty cutting tool, not a general-purpose framing saw. If your work is mostly sheet goods, trim panels, and clean rips, you’ll appreciate it. If you’re just rough cutting lumber outside, you probably do not need this much saw.
Common Questions
- What kind of tool is this? This is a cordless plunge track saw designed for precision cutting, straight ripping, and clean finish work in wood and sheet materials.
- What battery platform does it use? It uses Milwaukee’s M18 battery system.
- Does it support dust extraction? Yes. Milwaukee states over 90% dust collection efficiency, and the saw is compatible with 1-7/8 in. vacuum hoses.
- Does it have variable speed? Yes. It has a variable speed dial so you can adjust blade speed to match the material and application.
Reviews
There are no reviews yet.