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Cordless rotary hammer 20V - tool only


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The Worx WX392 cordless rotary hammer performs 5,000 beats per minute at up to 1,200 rpm, delivering 2.2 Joule of impact energy for drilling and chiseling in hard concrete. Featuring anti-vibration technology for reduced fatigue in prolonged use.

  • 3 Function, Drilling, Hammer drilling and chiseling with a separate chisel angle adjustment
  • 2.2J Max impact energy
  • Anti-vibration technology combined with an ergonomic design for improved comfort and control
  • Fast drilling into concrete up to 26mm with 1,200rpm, 5,000bpm and a powerful 2.2 J of impact energy
  • Variable speed with reverse function trigger switch for greater control when drilling
  • Compatible with SDS Plus bits for max compatibility
  • Part of the Worx PowerShare battery platform


Product variations


Same as WX392.9 + battery and charger


Same as WX392.9 + battery and charger

Product description

The pneumatic hammer mechanism of the Worx WX392 cordless rotary hammer packs an impressive 2.2 Joules of impact energy for fast drilling and chiseling in reinforced concrete. The motor delivers 1,200 revolutions per minute and 5,000 impacts per minute. Its lightweight, balanced design comes in a compact form factor that allows access to hard-to-reach areas. When in chisel mode, the bit angle can be adjusted so that the operator can choose the most comfortable position, whichever the task. The supplied plug-in chuck converts the rotary hammer into a drill that uses round shaft bits. ​This tool is part of the expanding Worx PowerShare, one of the most versatile cordless platforms that covers power tools, lawn and garden tools and everyday life products. PowerShare's "One Battery, Expandable Power" means the same 20V battery can be used in multiple configuration to power up 40V and 80V products.

Key features

  • Keyless chuck included to transform the hammer into a powerful woodworking and metalworking drill
  • SDS Max auto-lock bit holder with dust protection and excellent impact energy transfer rate
  • Mode selector with chisel lock setting for optimal working angle
  • Shock-absorbing anti-vibration technology for improved comfort and control
  • Pneumatic rotary hammer mechanism delivering 2.2 Joules shot energy for superior performance in hard concrete
  • Compatible with all PowerShare batteries

Technical specifications and Manual

Battery & Charger

Battery TypeLi-Ion
Battery TechnologyPowerShare
No. of Batteries Per Pack0
Power voltage supply20 V Max

Vibration Information

Vibration Level1.5 m/s²

Weight & Dimensions

Product depth86 mm
Product height203 mm
Product width290 mm
Weight without Battery2.1 kg /

Basic Specifications

Motor TypeBrushed
No. of SDS Drill Functions4 Function
SDS drill product typeSDS Plus
Switch TypeTrigger Switch
Vibration SystemAnti-Vibration System

Power Supply

Manual or PoweredPowered


Capacity Concrete26 mm
Capacity Steel13 mm
Capacity Wood26 mm
Impact Energy2.2 J
Impact Rate5000 bpm /
No Load Speed0-1200 rpm

Download manual file

In the box

  • Cordless Rotary Hammer WX392.9 (1)
  • SDS drill bits (3)

Same battery, expandable power

Stop buying batteries and chargers that fit one voltage only. Enjoy unlimited freedom of choice with Worx PowerShare™, the cordless system that adapts to your needs. As easy as combining bricks in construction toys.

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