Milwaukee 2821-21 M18 FUEL reciprocating saw kit
Specs checked 2026-10-17 from Milwaukee's US product page
The Milwaukee 2821-21 is an M18 FUEL reciprocating saw, sold as a kit. Milwaukee publishes 1-1/4 in stroke length, 0-3,000 SPM strokes per minute, 6.8 lb weight (tool only), 17.1 in tool length. In the box: M18 FUEL SAWZALL Recip Saw [2821-20], M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack [48-11-1850], M18 & M12 Multi-Voltage Charger [48-59-1812]. Source: Milwaukee's US product page, checked 2026-10-17.
Key specs
- Stroke length
- 1-1/4 in
- Strokes per minute
- 0-3,000 SPM
- Weight, tool only
- 6.8 lb
- Tool length
- 17.1 in
- Batteries in box
- 1from the box list
- Battery capacity (each)
- 5.0 Ahfrom the box list
- Charger in box
- Yesfrom the box list
Not on Milwaukee's US product page for the 2821-21: Motor. We do not guess.
In the box
- IncludedTool: reciprocating saw
- IncludedBattery: M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack [48-11-1850]
- IncludedCharger: M18 & M12 Multi-Voltage Charger [48-59-1812]
- Not includedCase or bag
Runs on Milwaukee M18 batteries.
Model number ending "21": Kit with 1 battery and a charger (battery size varies by tool) (usually). How Milwaukee model numbers work.
Paid link: we may earn a commission.
Find the 2821-21 at Acme Tools Opens a search for "2821-21" at acmetools.com (US retailer) in a new tab; the current price is shown there. Specs here checked 2026-10-17.Paid link: we may earn a commission.
Also check Amazon for the 2821-21 Opens a search for "2821-21" at amazon.com in a new tab. Marketplace listings vary: check the seller and the exact model number before you buy.Also sold as
All specs
| Stroke length | 1-1/4 in [1] |
| Strokes per minute | 0-3,000 SPM [1] |
| Weight, tool only | 6.8 lb [2] |
| Tool length | 17.1 in [2] |
| Batteries in box | 1from the box list [1] |
| Battery capacity (each) | 5.0 Ahfrom the box list [1] |
| Charger in box | Yesfrom the box list [1] |
| Switch | Trigger Switch [2] |
| Weight with battery | 8.4 lb [2] |
| Warranty | 5 Year (Tool), 3 Years (Battery) [1] |
Ratings are Milwaukee's published figures from its US product pages, listed under Sources. Anything not on that page is left out rather than guessed. Check this against another model.
Paid link: we may earn a commission.
Find the 2821-21 at Acme Tools
Owner reviews
4.8 out of 5 from 798 owner reviews on MilwaukeeTool.com (Milwaukee shows this same rating on every version of the 2821, checked 2026-10-17). Read the owner reviews on MilwaukeeTool.com
Manuals and official documents
- Manuals and documents for the 2821-21 and its kit parts MilwaukeeTool.com
Sources
- Milwaukee US product page 2821-21, retrieved 2026-10-17
- Milwaukee US product page 2821-20 (features), retrieved 2026-10-17
Researched by Rob, licensed electrician (Australia). Found an error? Tell us.
We may earn a commission if you buy through our links. Retailer links are paid links; commission never changes what we publish. As an Amazon Associate, The Pro Verdict earns from qualifying purchases. Affiliate disclosure.