
Metabo HPT WH18DEX 4-inch
Score: 88/100Milwaukee M12 Subcompact
Score: 88/100Rankings

The Metabo HPT WH18DEX is a compact, brushless cordless impact driver designed for high torque output in tight spaces. It features Triple Hammer technology to reduce vibration, IP56 water and dust resistance, and a specialized BOLT mode for driving large fasteners efficiently. It is ideal for DIYers, contractors, and professionals needing compact power in tight spaces for framing, electrical, or plumbing tasks.
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.
| Attribute | ![]() | Milwaukee M12 Subcompact |
|---|---|---|
1,549 in-lbbest | 1,100 in-lb | |
18 Vbest | 12 V | |
3,100 RPMbest | 3,000 RPM | |
4,000 IPM | 4,100 IPMbest | |
| ↓ lower better | 2 lbs | 1.3 lbsbest |
2 Ahbest | — | |
| ↓ lower better | 4.72 in | 4.3 inbest |
3 countbest | 3 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Milwaukee M12 Subcompact |
|---|---|---|
Performance(3) | ||
Maximum Torque (in-lb) | 1549 in-lb | 1100 in-lb |
Maximum Speed (RPM) (RPM) | 3100 RPM | 3000 RPM |
Impacts Per Minute (IPM) (IPM) | 4000 IPM | 4100 IPM |
Support(1) | ||
Warranty Duration (years) | Lifetime years | 5 years |
Accessories(1) | ||
Includes Battery | true | false |
Build & Design(3) | ||
Tool Weight (lbs) | 2.0 lbs | 1.3 lbs |
Tool Length (in) | 4.72 in | 4.3 in |
Tool Width (in) | 4.5 in | 2.0 in |
Power & Battery(1) | ||
Battery Voltage (V) | 18 V | 12 V |
Features(1) | ||
Chuck Type | 1/4" Hex Keyless | 1/4-inch hex |
Controls(2) | ||
Speed Settings | 5 | 4 |
Trigger Type | Variable | Variable speed |

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

Professional reviewers praise the Metabo HPT WH18DC for its exceptional torque-to-weight ratio, highlighting the 1,832 in-lbs output and 4,000 BPM performance. Experts note that the brushless motor, IP56 rating, and compact design make it a standout tool for professionals who need versatility and durability.
Everyday users rate the product highly, commonly praising its powerful performance, compact size, and low vibration. Users appreciate the ability to drive large bolts easily and the comfort of the lightweight design for overhead work.
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.
“Power handles large bolts effortlessly”

“Compact size and weight ideal for tight spots”

“Low vibration from Triple Hammer technology”

