Product Description

The Milwaukee M12™ Subcompact Brushless 3/8 in. Drill/Driver (3401-20) is a compact cordless drill designed to deliver professional performance in tight spaces without sacrificing power. Powered by the Milwaukee M12™ REDLITHIUM™ battery platform, this drill features a brushless motor for increased efficiency, longer runtime, and extended motor life. Delivering up to 350 in-lbs. of torque and 1,550 RPM, the 3401-20 is ideal for drilling holes and driving fasteners in wood, metal, and plastic. Its lightweight ergonomic design improves comfort during extended use, while the 3/8-inch all-metal ratcheting chuck provides excellent bit retention and durability. Compatible with all Milwaukee M12™ batteries, the 3401-20 is an excellent choice for electricians, plumbers, HVAC technicians, installers, maintenance professionals, and DIY users.

Key Features

• Genuine Milwaukee Product
• M12™ Battery Platform
• Brushless Motor
• 3/8 in. All-Metal Ratcheting Chuck
• Up to 350 in-lbs. Torque
• Up to 1,550 RPM
• Two-Speed Gearbox
• Variable Speed Trigger
• Compact Lightweight Design
• Built-In LED Work Light
• Compatible with All Milwaukee M12™ Batteries

Ideal For

Perfect for:

• Wood Drilling
• Metal Drilling
• Plastic Drilling
• Cabinet Installation
• Electrical Work
• Plumbing
• HVAC Installation
• General Construction

Technical Specifications

What's Included

• Milwaukee M12™ Subcompact Brushless 3/8 in. Drill/Driver (3401-20)
• Belt Clip

Battery and charger sold separately.

Why Choose This Model?

Compact Performance

The brushless motor provides powerful drilling and fastening performance in a compact design that's ideal for confined workspaces.

Reliable Drilling and Driving

With 350 in-lbs. of torque, a two-speed gearbox, and a 3/8-inch all-metal ratcheting chuck, this drill delivers dependable performance across a wide range of applications.

Built for Everyday Professionals

Its lightweight ergonomic design, built-in LED work light, and compatibility with all Milwaukee M12™ batteries make it a dependable everyday tool.

Compare Before You Buy

Industry Applications

Ideal for professionals working in:

• Construction
• Electrical
• Plumbing
• HVAC
• Cabinet Installation
• Maintenance
• Remodeling
• General Contracting

Compatible Accessories

For the best performance, pair this drill/driver with:

• Milwaukee SHOCKWAVE™ Driver Bits
• Milwaukee Drill Bit Sets
• Milwaukee M12™ REDLITHIUM™ Batteries
• Milwaukee M12™ HIGH OUTPUT™ Batteries
• Milwaukee M12™ Battery Charger
• PACKOUT™ Storage Solutions

Packaging Notice

This product may not include the original retail packaging. However, every order is carefully inspected, securely packaged, and protected to ensure it arrives safely and in excellent condition.

Why Buy from Mike Resells?

When you shop with Mike Resells, you're getting more than just professional tools.

We proudly offer:

• Genuine Products
• Competitive Prices
• Secure Checkout
• Carefully Packaged Orders
• Free U.S. Shipping
• Fast Shipping to Most Countries

Frequently Asked Questions

1. Is this Milwaukee drill/driver genuine?

Yes. Mike Resells sells only genuine Milwaukee products sourced from trusted suppliers.

2. Does this drill include a battery or charger?

No. Model 3401-20 is the tool only version. Battery and charger are sold separately.

3. How much torque does it produce?

The drill delivers up to 350 in-lbs. of torque.

4. What are the speed settings?

The two-speed gearbox offers 0–450 RPM and 0–1,550 RPM.

5. How quickly do you ship orders?

Orders are processed quickly and include Free U.S. Shipping and Fast Shipping to Most Countries.

Related Models

• Milwaukee M12™ Subcompact Brushless Impact Driver (3450-20)
• Milwaukee M12 FUEL™ Hammer Drill/Driver
• Milwaukee SHOCKWAVE™ Driver Bit Set
• Milwaukee M12™ HIGH OUTPUT™ Batteries