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20V cordless nailer - tool only


Up to 80 nails per minute productivity
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The Worx WX840 is a versatile 2-in-1 pneumatic nail gun that can be used as either an 18-gauge brad nailer or a 16-gauge finish nailer. It allows you to switch between nail sizes quickly and easily for all your trim and finish carpentry projects.

  • ​​​​Air impact tech places each nail or staple just right, using less charge, with less wear and tear on the tool.
  • Quick depth adjustment
  • Switch between sequential (single nail) or contact (bump fire) actuation modes
  • Two LED work lights on the sides
  • Up to 80 nails per minute firing rate
  • Dry-fire lockout feature extends tool life
  • 2 tools in 1 compatible with both brad nails and staples
  • Part of the Worx PowerShare battery platform


Product description

The Worx WX840 Combination Brad and Finish Nailer is the ultimate versatile pneumatic nail gun for trim carpentry and woodworking projects. This innovative 2-in-1 nailer combines both an 18-gauge brad nailer and a 16-gauge finish nailer into one convenient tool, eliminating the need to carry two separate nail guns to the job site.With the simple turn of a dial, you can switch between shooting 18-gauge 1" to 2" brads nails or 16-gauge 1-1/4" to 2-1/2" finish nails. The brad nail function handles all your delicate trim work while the finish nail capabilities let you nail down wider baseboards and casing boards with ease.Key features of the WX840L combo nailer include dual nail guides to center fasteners properly, adjustable depth control settings, and dry fire lockout mechanisms to prevent blanks from being discharged. The nail guns also come equipped with no-mar tip guards to protect work surfaces from scratches and marks.With convenient tool-free jam clearing, the ability to hook up to any standard air compressor, and integrated air filter and connector fittings, the Worx WX840 combination nail gun takes versatility and convenience to the next level for finish carpenters and DIYers. Tackle everything from molding and baseboard installation to crown molding, wainscoting projects, cabinetry jobs and more with the accuracy and efficiency of this 2-in-1 pneumatic nailer.

Key features

  • Compatible with all PowerShare batteries
  • Air impact technology draws less energy from the battery and minimizes tool wear
  • Lockout prevents dry firing and extends tool life
  • Tool-free depth of drive adjustment
  • Drive mode selector: sequential for accuracy or bump for productivity
  • Side loading magazine with 100 nails capacity and low nail level indicator
  • Twin LED lighting to illuminate dark spots
  • Multi-warning ligth alerts about low battery, jammed nails, overheat
  • Rubber bump pad doesn't mark your workpiece

Technical specifications and Manual

Battery & Charger

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

Weight & Dimensions

Product depth92 mm
Product height281 mm
Product width285 mm
Weight without Battery2.9 kg /

Basic Specifications

Brad/Nail StorageBrad nail and crown staple
Motor TypeBrushed
Collated AngleStraight

Power Supply

Manual or PoweredPowered


Approx. Shots per Full Battery Charge600 per 2.0Ah battery
Brad/nail Capacity100
Firing ModeSequential and contact actuation modes
Firing Rate80 nails/min
Fixings Gauge20 mm - 50 mm 18 gauge, 19 mm - 40 mm 18 gauge crown staple

Download manual file

In the box

  • Cordless Nailer WX840.9 (1)
  • 38 mm 18 Gauge brad nail (200)
  • 32 mm 18 Gauge narrow staple (200)
  • Allen Key (1)
  • Belt hook (1)
  • Screwdriver (1)

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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