M12 FUEL? 1/2" Drill-Driver -

The M12 FUEL™ 1/2" Drill-Driver (3403-20) is engineered for professional technicians and industrial users seeking a compact, high-torque cordless solution. Designed around the M12 FUEL system with a robust brushless motor, this drill-driver delivers reliable power and precise control for repetitive drilling and fastening tasks in confined spaces across automotive, fleet, and light industrial applications.

Key Features

• M12 FUEL™ Brushless Powertrain – Provides consistent torque and speed under load, offering performance comparable in output and capability to compact platforms such as the cv500-fdd02 class of drill drivers. This ensures efficient work on demanding tasks.
• Compact, Lightweight Design – Weighing just 2.46 lbs and under 8 inches long, its balanced design allows for easy maneuverability and access in tight areas such as under dashboards, inside engine bays, along frame rails, and between studs.
• 1/2" All-Metal Chuck – Offers secure bit retention and enhanced durability, accommodating larger step bits, hole saws, and driver bits commonly used in automotive, fleet, and general industrial maintenance.
• Electronic Protection & Control – Integrated intelligence monitors for overload and overheating, while optimizing battery communication to protect both the tool and battery, ensuring sustained performance and longevity.
• Ergonomic Grip & Balance – The optimized handle shape and weight distribution are designed to reduce user fatigue during extended-use and overhead applications, contributing to improved comfort and control.

Applications

This drill-driver is suitable for automotive technicians, fleet maintenance personnel, and industrial MRO work. Common uses include drilling into sheet metal, brackets, crossmembers, and plastic panels, as well as driving self-tapping screws, machine screws, and small lag bolts. Its compact profile is particularly beneficial for interior installations (dash, console, under-seat accessories), underhood wiring and accessory mounting, and overhead tasks such as running conduit, installing HVAC supports, and securing electrical hardware. It is also well-suited for fabrication, cabinetry, and general assembly in various shop environments.

Specifications

• Model Number: 3403-20
• Tool Type: Cordless Drill-Driver
• Power System: M12 FUEL™
• Chuck Size: 1/2"
• Weight: 2.46 lbs
• Dimensions (L x W x H): 7.99" x 6.81" x 4.06"