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

20V cordless brushless angle grinder 125mm - tool only


Power equal to 800 W corded, brushless motor
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At only 1.6kg, the new Worx 20V cordless brushless small angle grinder WX812 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.

  • Delivers power equal to 800 W corded grinder
  • 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
  • Bare tool, battery and charger not included.


Product variations


Brushless motor, 115mm, tool only


Brushed motor, 115mm + battery and charger


Brushed motor, 125mm, tool only


Brushed motor, 125mm, tool only


Brushless motor, 125mm, tool only

Product description

The new Worx WX812 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 an 800W corded angle grinder. 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 WX812 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

  • As powerful as an 800 W corded angle grinder
  • Brushless motor for cooler operation, more power, longer runtime and extended motor life
  • Electronic sensing technology prevents kickback by stopping the wheel when a pinch/jam is detected
  • Slim body with soft grip for increased control and comfort
  • Dust free, washable air inlets to prevent dust and debrits from damaging the motor
  • Compatible with all PowerShare batteries
  • Dust free, washable air inlets to prevent dust and debrits from damaging the motor

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

Basic Specifications

Adjustable guard
Adjustable Handle2-Position
Blade diameter125 mm
Motor TypeBrushless
Disc Bore Size22.23 mm
Disc Fitting TypeM14 Spindle Thread
Spindle Thread SizeM14
Switch TypeSliding Switch

Power Supply

Manual or PoweredPowered


No Load Speed0-8500 rpm

Download manual file

In the box

  • Brushless Cordless Angle Grinder WX812.9 (1)
  • Auxiliary handle (1)
  • Metal grinding disc (1)
  • Wheel guard for grinding (1)
  • Auxiliary handle (1)
  • Spanner (1)



4.0Ah battery pack for longer run-time


4.0Ah battery pack for longer run-time

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.

Learn more