Milwaukee 3401-20 M12 Subcompact Brushless 3/8″ Drill Driver – Tool Only

The Milwaukee 3401-20 M12 Subcompact Brushless 3/8″ Drill Driver is a lightweight yet powerful cordless drill designed for professionals and DIYers who need superior access in tight spaces. At only 5.4 inches in length and weighing under 2 lbs with a battery, this drill minimizes fatigue and provides excellent control, making it ideal for overhead work or confined areas. Powered by a brushless motor, it delivers 350 in-lbs. of torque and speeds up to 1,550 RPM, handling a variety of drilling and fastening tasks. The 3/8” all-metal chuck ensures long-term durability, while REDLINK™ Intelligence optimizes performance and prevents overload. Compatible with Milwaukee’s M12™ REDLITHIUM™ batteries (sold separately), this drill is part of the M12™ system, integrating with over 150+ Milwaukee tools.

Milwaukee M12 Subcompact Brushless 3/8″ Drill Driver At a Glance

Subcompact design: Easy access in tight spaces and reduced fatigue for overhead applications.
Brushless motor: Provides 350 in-lbs. of torque and up to 1,550 RPM for tough drilling and fastening jobs.
3/8” metal chuck: Offers maximum durability for long-term performance.
Lightweight build: Weighs only 2 lbs with a battery, improving maneuverability and reducing strain.
Variable speed trigger: 0-450 RPM (low) & 0-1,550 RPM (high) for precision control.
REDLINK™ Intelligence: Protects against overload and overheating, extending tool and battery life.
M12™ System compatibility: Works with over 150+ Milwaukee tools for a versatile cordless setup.

Markets

Electricians: Compact size allows for effortless drilling in panels and junction boxes.
HVAC Technicians: Ideal for installing ductwork and securing fasteners in tight spaces.
Plumbers: Provides the torque needed to drill into pipes and fittings in confined areas.
Carpenters & Woodworkers: Perfect for furniture assembly, cabinetry, and fine detail work.
General Contractors: Reliable for a range of drilling and fastening tasks on job sites.
Maintenance & Facility Managers: Lightweight, easy to carry, and versatile for repairs and installations.
DIY Enthusiasts: A great tool for home improvement projects requiring precision and control.

This subcompact drill is an excellent solution for electricians, HVAC technicians, plumbers, and carpenters who frequently work in tight quarters. The lightweight design and high torque output allow for efficient drilling in cabinets, overhead installations, and stud work without causing user fatigue. Maintenance professionals and general contractors will also benefit from the variable-speed control, making it versatile for everything from assembling fixtures to drilling into metal or wood. Its durability and advanced electronics make it a trusted choice for professionals who need a reliable tool that lasts.

Milwaukee 3401-20 M12 Subcompact Brushless 3/8″ Drill Driver – Tool Only Features

Subcompact design: superior balance and control, ideal for overhead drilling or driving fasteners in tight spaces
Only 5.4″ in length
350 in-lbs. of torque
0-450 RPM in low & 0-1550 RPM in high
2 lbs. with kitted battery
Metal 3/8 in. chuck: maximum durability
REDLINK Intelligence™: Advanced overload protection defends against heavy duty applications and monitors the temperature to prevent damage and ensure maximum tool & battery life
REDLITHIUM™ Battery: Superior pack construction, electronics, and performance deliver more work per charge and more work over pack life than any battery on the market
Compatible with the Milwaukee® Accessory Bit holder 49-16-3697
5 year tool warranty, 2 year battery
Kit Includes: M12™ Subcompact Brushless 3/8” Drill/Driver, (2) M12™ REDLITHIUM™ CP 2.0 battery packs, M12™ charger and contractor bag
Part of the M12™ System, featuring over 150+ tools

Milwaukee 3401-20 M12 Subcompact Brushless 3/8″ Drill Driver – Tool Only Includes

(1) M12™ Subcompact Brushless Drill Driver Bare Tool (3401-20)

Milwaukee 3401-20 M12 Subcompact Brushless 3/8″ Drill Driver – Tool Only Specifications

Chuck Size: 3/8” Keyless
Torque: 350 in-lbs.
Speed Settings: 0-450 RPM (Low), 0-1,550 RPM (High)
Length: 5.4 inches
Weight: 1.58 lbs (tool-only), 2.0 lbs (with battery)
Power Source: M12™ 12V Cordless
Battery & Charger: Not included
Warranty: 5-Year Limited Tool Warranty

Milwaukee 3401-20 M12 Subcompact Brushless 3/8″ Drill Driver – Tool Only Warranty

5 Year Limited Tool Warranty

Why Customers Choose the Milwaukee M12 Subcompact Brushless 3/8″ Drill Driver

The Milwaukee M12 Subcompact Brushless 3/8” Drill Driver is an essential tool for professionals who need powerful performance in a compact design. Whether you’re drilling into wood, metal, or plastic, this drill delivers efficient operation and extended battery life with Milwaukee’s trusted REDLITHIUM™ technology. A go-to choice for tradespeople and DIYers, this drill fits seamlessly into any M12™ cordless system, offering maximum versatility and performance.