
Milwaukee M12 3 Crown Stapler
Score: 85/100
Worx Nitro WX844L
Score: 82/100Rankings

The Milwaukee 2447-20 M12 3/8" Crown Stapler is a compact, professional-grade cordless stapler designed for tight spaces and reduced hand fatigue. It offers excellent battery efficiency and a 5-year warranty but requires separate battery purchase. It is ideal for professionals and DIY users in the M12 ecosystem needing portability and reliability.

The Worx Nitro WX844L is a 20V cordless 18-gauge narrow crown stapler designed for finish carpentry and woodworking applications. It features Air Impact Technology for consistent power, a narrow nose for visibility, and a comprehensive kit including battery and charger. The 3-year warranty and ecosystem compatibility make it a strong choice for DIY enthusiasts and professionals.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 500 shotsbest | |
| ↓ lower better | 3 lbsbest | 7 lbs |
89 staplesbest | 85 staples | |
— | 80 staples/minbest | |
5 yearsbest | 3 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance & Control(2) | ||
Firing Modes | Sequential and Contact | Dual |
Firing Rate (staples/min) | null staples/min | 80 staples/min |
Power & Battery(3) | ||
Battery Included | false | true |
Charging Time (hours) | null hours | unknown hours |
Battery Type | Milwaukee M12 | Worx Power Share 20V |
Build & Ergonomics(1) | ||
Weight (lbs) | 3.0 lbs | 7 lbs |
Compatibility & Capacity(4) | ||
Staple Length Range | 0.25" to 0.5625" | 3/4" to 1.5" |
Magazine Capacity (staples) | 89 staples | 85 staples |
Staple Crown Width | 3/8" | 1/4" |
Staple Gauge | 20 Gauge | 18 gauge |
Accessories & Value(3) | ||
Included Fasteners | false | true |
Included Charger | false | true |
Warranty (years) | 5 years | 3 years |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors emphasize the Milwaukee 2447-20 as an effective upgrade from manual staplers, praising its compact design for tight access, significant fatigue reduction, and impressive runtime of up to 1500 staples on a 1.5Ah battery.
Search results lack direct user reviews or complaints; however, spec sheets and demos imply general praise for portability and ease of use over manual tools, with no recurring consumer complaints noted in the available data.




Expert reviews highlight the tool's reliability and efficiency for finish work. Reviewers note that the Air Impact Technology delivers consistent power for driving staples into hardwood on the first shot, making it particularly effective for tasks like underlayment, cabinetry, and trim work.
Everyday users praise the reliable performance with consistent staple placement on first shots. The lightweight and ergonomic design is noted as suitable for all-day use. Users also appreciate that the narrow nose design genuinely improves visibility in tight spaces, and the quick-loading magazine system speeds up workflow.