Description
Overview
The Milwaukee M18 Compact Brushless ¼″ Hex Impact Driver (model 3650-20) is engineered for high efficiency in tight spaces, combining brushless motor technology with a compact form factor. At just 4.4″ long and 2.1″ wide, it delivers up to 1,700 in-lbs of peak torque and up to 3,600 RPM for rapid fastening and superior productivity.
Key Features
Compact size (4.4″ length, 2.1″ width) for excellent access in confined work areas.
Brushless motor delivers 1,700 in-lbs of peak torque and up to 3,600 RPM for high-speed performance.
All-metal gear-case and gears for professional-grade durability.
Variable-speed trigger control reduces the risk of fastener or material damage.
Compatible with the full M18™ battery system (250+ tools) for seamless integration.
Specifications
| Attribute | Value |
|---|---|
| Brand | Milwaukee |
| Model / Part No. | 3650-20 |
| Drive Size | ¼″ Hex |
| Maximum Torque | 1,700 in-lbs |
| No-Load Speed (RPM) | Up to ~3,600 |
| Length | 4.4″ |
| Width | 2.1″ |
| Weight (Tool-Only) | ~1.7 lb |
| Motor Type | Brushless |
| Gear Case | All-metal |
| Battery System | M18™ (18 V) |
Ideal For
Electricians, plumbers, and HVAC technicians who need maximum access in tight or recessed areas.
Maintenance professionals and tradespeople looking for a lightweight, high-speed driver for everyday fastening tasks.
Toolkits for service vans or job-site setups relying on the M18™ ecosystem.
Users upgrading from bulkier drivers who demand both speed and compact ergonomics.