
Milwaukee M12 3453-20
Score: 78/100Milwaukee M12 Subcompact
Score: 88/100Rankings
The Milwaukee M12 Subcompact Brushless is an ultra-compact, lightweight cordless tool designed for fastening in tight spaces, delivering 1100 in-lbs of torque. It features a metal gearcase and REDLINK Intelligence for durability, though it lacks included batteries. It is best suited for professionals needing compact tools in tight spaces, such as service trades and HVAC workers.

The Milwaukee M12 FUEL 3453-20 is a subcompact cordless impact driver designed for fastening applications in tight spaces, featuring a brushless motor and advanced battery management technology. It offers high torque and speed in a lightweight, portable package, making it highly suitable for confined spaces. It is best suited for compact workspace professionals needing access under cabinets or in confined areas, such as electricians and plumbers.
| Attribute | ![]() | Milwaukee M12 Subcompact |
|---|---|---|
1,500 in-lbbest | 1,100 in-lb | |
12 Vbest | 12 Vbest | |
3,600 RPMbest | 3,000 RPM | |
4,000 IPM | 4,100 IPMbest | |
| ↓ lower better | 1.6 lbs | 1.3 lbsbest |
| ↓ lower better | 5 in | 4.3 inbest |
3 countbest | 3 countbest | |
— | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Milwaukee M12 Subcompact |
|---|---|---|
Performance(3) | ||
Maximum Torque (in-lb) | 1500 in-lb | 1100 in-lb |
Maximum Speed (RPM) (RPM) | 3600 RPM | 3000 RPM |
Impacts Per Minute (IPM) (IPM) | 4000 IPM | 4100 IPM |
Build & Design(2) | ||
Tool Weight (lbs) | 1.6 lbs | 1.3 lbs |
Tool Length (in) | 5.0 in | 4.3 in |
Controls(1) | ||
Speed Settings | 4-mode | 4 |

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

Professional reviewers and editors highlight the Milwaukee M12 FUEL 3453-20 as the fastest and most compact impact driver in its subcompact class. One reviewer noted a preference for the M12 over the larger M18 model due to its practicality and ease of carrying throughout the workday. The tool is praised for its brushless motor performance and compact design, making it highly suitable for confined spaces.
The search results indicate substantial user engagement with 56 customer questions and answers on Home Depot's product page. However, there are no detailed user reviews or specific customer feedback excerpts provided in the data to determine common praise or recurring complaints.
Professional reviewers and editors position the Milwaukee M12 Subcompact as the fastest and most compact impact driver in its class. They praise its brushless motor for productivity in tight spaces, highlighting the 1100 in-lbs torque, 4-mode control, and Tri-LED lights.
Search results lack direct user reviews or feedback, so no common praise or complaints from everyday consumers are detailed.