Worx WU139 High Torque Brushless Impact Drill with Variable Speed

Designed for demanding job sites, the Worx WU139 is a high-torque 12V cordless impact drill that combines compactness, power, and durability. Its brushless motor delivers consistent performance in wood, metal, and light masonry, while the infinitesimal speed control and reverse function ensure complete control. Ideal for tradespeople, electricians, plumbers, and maintenance teams looking for a reliable, precise, and versatile tool.

Main features

• Brushless motor for more torque, longer range and reduced wear.
• Continuously variable speed control to adapt instantly to each material.
• Effective percussion mode for light masonry and anchor drilling.
• Forward/reverse function for drilling, light tapping and clean unscrewing.
• Pistol grip and multi-angle format for working in confined areas.
• WORX 12V platform : rechargeable, lightweight and durable lithium batteries.
• Battery included for immediate operational use on site.

Compatibility & materials

Compatible with the WORX 12V platform and standard accessories (drill bits and screwdriver bits with cylindrical/hexagonal shanks, depending on the chuck). High-performance for:

• Wood: drilling, pre-drilling, screwing, structure and arrangement.
• Metal: drilling of sheet metal and profiles, industrial maintenance.
• Light masonry: brick, hollow block, mortar (percussion method).
• Fixings: plugs, light anchors and finishing work.

Technical table

• Type : Cordless impact drill / screwdriver
• Series : WORX 12V
• Motor : Brushless
• Power supply : Rechargeable Li-ion battery (12V)
• Speed : Infinitesimal speed control
• Rotation : Forward / Backward
• Handling : Pistol grip, multi-angle
• Battery : Included
• SVHC substances : None

Why the pros love it

• Controlled power and high torque for clean and fast drilling.
• Increased endurance thanks to the brushless motor.
• Versatility on construction sites: wood, metal, light masonry.
• Precise control with the progressive trigger and reversal.
• Total mobility: compact, lightweight, wireless.

Package contents

• Worx WU139 Impact Drill (brushless, 12V)
• 1 x 12V Li-ion battery
• User documentation

Tips & Safety

• Use suitable drill bits in good condition; start at low speed.
• Activate the percussion function only on mineral materials.
• Wear PPE: goggles, gloves, hearing protection and mask depending on the dust.
• Do not force: let the torque do its work, keep the axis perpendicular.
• Charge between 10–80% to preserve the battery; avoid extreme temperatures.

FAQ

• Can it drill through concrete? Yes, in light masonry with the percussion mode and suitable drill bits.
• Is it compatible with other WORX 12V batteries? Yes, it fits within the WORX 12V platform.
• Is it suitable for heavy-duty screwdriving? Yes, variable speed and reverse function offer precise control.
• How long does the battery last? Battery life depends on the material, diameter and percussion mode.
• Is a charger included? The battery is included; check the contents of the selected pack for the charger.
• Maintenance required? Clean after use, check accessories and recharge the battery regularly.