1. Power tools
  2. Angle grinders
  3. Cordless angle grinders

20V Brushless cordless angle grinder 115mm - tool only


Power equal to 800 W corded, brushless motor
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At only 1.6kg, the new Worx 20V brushless cordless small angle grinder WX813 is one of the lightest and most compact tools in its class, yet delivering the same grinding performance as if it was corded. Designed with the user in mind, it's safe to operate and comfortable to use.

  • 115mm disc diameter
  • Worx-built brushless motor delivers 25% more power, 50% longer runtime and 10x lifespan over brushed motors - Electronic sensing technology detects jams and quickly stops the wheel to prevent kickback
  • Slim body design and a soft grip provide control while adding comfort through prolonged use
  • Slide switch with lock-on provides safety and convenience
  • Part of the Worx PowerShare battery platform


Product variations


Brushed motor, 115mm + battery and charger


Brushed motor, 125mm, tool only


Brushed motor, 125mm, tool only


Brushless motor, 125mm, tool only


Brushless motor, 125mm, tool only

Product description

The new Worx WX813 20V cordless brushless small angle grinder features a brushless motor that gives you 25% more power, 50% longer runtime and 10 times the lifespan of a brushed motor. At only 1.6 kilos, it’s one of the lightest tools in its class, yet delivering the same grinding performance of corded angle grinders. Such lightness, combined with the slim grip design, make this tool ideal for longer working sessions and complex scenarios such as overhead operation. Designed with safety in mind, it’s electronic anti-kickback technology senses pinches, jams and snags to stop the disc. The WX813 is suitable for grinding, cutting and sanding a variety of materials including metal, tile, concrete, plastic, and counting. 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

  • Compatible with all PowerShare batteries
  • Electronic sensing technology prevents kickback by stopping the wheel when a pinch/jam is detected
  • Brushless motor for cooler operation, more power, longer runtime and extended motor life
  • Slim body with soft grip for increased control and comfort

Technical specifications and Manual

Battery & Charger

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


No Load Speed0-8500 rpm

Basic Specifications

Adjustable guard
Adjustable Handle2-Position
Blade diameter115 mm
Motor TypeBrushless
Disc Bore Size22.23 mm
Disc Fitting TypeM14 Spindle Thread
Spindle Thread SizeM14
Switch TypeSliding Switch

Vibration Information

Vibration Level1.5 m/s²

Power Supply

Manual or PoweredPowered

Weight & Dimensions

Product depth100 mm
Product height76 mm
Product width300 mm
Weight without Battery1.6 kg /

Download manual file

In the box

  • Brushless Cordless Angle Grinder WX813.9 (1)
  • Auxiliary handle (1)
  • Metal grinding disc (1)
  • Wheel guard for grinding (1)
  • Spanner (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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