WORX 20V 4.5 Inch Brushless Angle Grinder Review – Pros & Cons – Worx WX812L.9

The Worx WX812L.9 20V Power Share 4.5″ Cordless Angle Grinder with Brushless Motor is a high-performance tool engineered for heavy-duty tasks such as grinding metal, cutting tile, and routing out mortar. As part of the Nitro series, this WORX 20V 4.5 Inch Brushless Angle Grinder features a high-efficiency motor that provides 25% more power and 50% longer runtime compared to traditional brushed alternatives. With a no-load speed of 8500 RPM, it delivers professional-grade results while maintaining the portability of a cordless platform.

Safety and control are prioritized through integrated features like electronic anti-kickback technology, which automatically shuts down the motor if a jam is detected. The WORX 20V 4.5 Inch Brushless Angle Grinder is designed with a slim body and a soft comfort grip to reduce user fatigue during extended use. It also includes a two-position auxiliary handle, allowing users to customize their grip for better leverage and precision in tight spaces or at difficult angles.

The tool-only version offers maximum value for users already invested in the Power Share ecosystem, as it is compatible with any 20V or 40V Worx battery. This WORX 20V 4.5 Inch Brushless Angle Grinder comes equipped with a 4.5-inch metal grinding disc and a spindle lock for fast, hassle-free accessory changes. Weighing approximately 4.4 lbs, its lightweight and streamlined chassis ensure it is easy to transport and maneuver for both DIY projects and professional job site applications.

FEATURES:
– 20V Power Share battery system
– Efficient brushless motor
– 4.5 inch disc size
– Cordless portable design
– Tool only no battery
– Compact and ergonomic
– Electric brake safety feature
– Slim body grip
– Tool-free guard adjustment

The Worx WX812L.9 is a high-performance solution for DIY enthusiasts and professionals seeking a reliable cutting and grinding tool. Powered by a high-efficiency brushless motor, this WORX 20V 4.5 Inch Brushless Angle Grinder delivers 25 percent more power and 50 percent longer runtimes compared to traditional brushed alternatives. The electronic anti-kickback technology enhances user safety by automatically shutting down the tool if a pinch or stall is detected, ensuring a secure working environment during demanding tasks.

PROS:
– Great value for the money
– Awesome cutting power
– Very easy to use
– Good for quick jobs
– Includes three year limited warranty
– Nice light weight design
– Uses Worx Power Share batteries
– Long battery life
– Powerful performance
– Feels substantial and sturdy
– Good quality materials
– Perfect for small jobs
– Convenient cordless operation

CONS:
– High battery umption with certain brands
– Does not include cutting discs
– Sticky and difficult slide switch
– Shuts down during minor material catches
– Sensitive motor requires speed adjustment

The Worx WX812L.9 20V cordless angle grinder offers impressive value and performance for small to medium tasks, featuring a sturdy yet lightweight brushless design that delivers great cutting power and the convenience of the Power Share battery system. Users appreciate its ease of use and the security of a three-year warranty, though the tool is not without its drawbacks. Significant cons include a finicky slide switch, a sensitive motor that may shut down during minor snags, and the fact that it does not come with cutting discs or a battery in the tool-only version. While it feels substantial and uses quality materials, it can be prone to high battery consumption and requires careful speed adjustments to prevent stalling. Read more…

Ergonomic and Lightweight Cordless Angle Grinder

Ergonomic and Lightweight Cordless Angle Grinder

A person uses a cordless angle grinder on a metal workpiece. The worker wears heavy duty striped work gloves and a tan long sleeved shirt. Bright orange sparks fly from the point where the grinding disc meets the metal frame. The tool is black and silver with a battery pack attached to the rear. A circular graphic on the right side features a white feather icon. It displays the text 3.75 LBS to highlight the weight. A gray banner at the bottom contains the words ERGONOMIC and LIGHTWEIGHT in bold white capital letters. The background is a solid light blue color. The person holds the side handle with their left hand for stability. Their right hand grips the main body of the tool near the power switch. The metal being worked on appears to be a square steel tube assembly.


Worx Power Share Battery System Overview

Worx Power Share Battery System Overview

This image displays the Worx Power Share battery platform. It features an orange and white color scheme. Many different cordless tools are shown at the top. These include a lawn mower and a string trimmer. There are also drills and saws pictured. The center contains the Power Share logo in bold black and orange text. Below the logo it says Same Battery Expandable Power. Three panels explain how the voltage scales up. One battery provides 20V of power. Two batteries together provide 40V of power. Four batteries combined reach 80V for heavy duty tasks. A large 20V battery pack is shown in the middle. Arrows point upward to show the increase in power. This graphic illustrates the compatibility of one battery across many tools.


Worx Cordless Angle Grinder with Anti-Kickback Technology

Worx Cordless Angle Grinder with Anti-Kickback Technology

A person is using a cordless angle grinder to cut through a piece of metal. They are wearing dark work gloves and a blue long sleeve shirt. The grinder is a Worx brand model with a black and orange battery. Bright sparks fly from the point where the blade meets the metal beam. The metal is clamped onto a yellow and black workbench. The bottom of the image features a grey banner with white text. The text says ANTI-KICKBACK TECHNOLOGY in capital letters. The background shows a dimly lit workshop environment. The tool is held firmly with two hands for safety. This image demonstrates the power and safety features of the device in a professional setting.


Tool-less Safety Guard Adjustment for Cordless Angle Grinder

Tool-less Safety Guard Adjustment for Cordless Angle Grinder

A black and silver cordless angle grinder is shown against a white background. It features a large battery pack at the rear and a textured side handle for grip. The front of the tool has a silver metal gear housing and a black grinding disc. A circular inset image at the top right zooms in on the safety guard mechanism. Two red curved arrows in the inset demonstrate how the guard can be rotated. The text at the bottom is white on a dark grey banner with an orange accent. It highlights the tool-less quick safety guard adjustment feature. The overall design is professional and emphasizes ease of use.


Worx 20V Brushless Angle Grinder Product Overview

Worx 20V Brushless Angle Grinder Product Overview

This image displays a Worx brand cordless angle grinder and its included accessories. The top section shows the tool itself which features a black and orange body. It is labeled as a 20V 4-1/2 inch brushless angle grinder. A dashed line outlines where a battery would attach to the rear of the handle. Below the main tool are two smaller images labeled as disc and carry bag. A grinding disc is shown on the left. A black zippered carrying bag with the Worx logo is shown on the right. A large banner at the bottom states what is included in the package. It includes a disclaimer that the battery and charger are sold separately. The overall design uses a clean white background with orange and grey accents.


Worx Power Share Battery Compatibility Infographic

Worx Power Share Battery Compatibility Infographic

This promotional image displays the Worx Power Share battery system. The background is a solid orange color. Three different power tools are shown at the top of the frame. A cordless drill represents the twenty volt category. A leaf blower represents the forty volt category. A lawn mower represents the eighty volt category. Bold white text below each tool identifies these voltage levels. Small black battery icons are grouped under each heading. One battery powers the twenty volt drill. Two batteries power the forty volt blower. Four batteries power the eighty volt mower. The Power Share logo is visible on the left side. The text at the bottom says same battery expandable power. This graphic explains how a single battery type works across multiple tools. It illustrates the scaling power of the modular battery system.


Worx Cordless Angle Grinder Dimensions

Worx Cordless Angle Grinder Dimensions

This image shows a Worx brand cordless angle grinder with its physical dimensions labeled. The tool has a black and orange body with a silver metal gear housing. A side handle is attached for better control during use. A circular grinding disc is mounted at the front with a protective metal guard. The total length of the tool is marked as thirteen inches. The height from the base to the top of the battery area is labeled as five inches. The width across the grinding disc and guard is also five inches. A battery pack is shown in a faint outline at the rear of the handle. The tool is designed for cutting and grinding tasks in various projects. The background of the image is solid white for clarity. All measurements are provided in inches for easy reference.


Worx 20V Brushless Angle Grinder Search Results

Worx 20V Brushless Angle Grinder Search Results

The image shows a Google search result page for a Worx 20V brushless angle grinder. Multiple product photos are visible in a grid layout. Most images feature the black and orange cordless power tool from different angles. One photo shows a person wearing gloves and holding the grinder. Other results include diagrams highlighting features like the 8500 RPM speed. Links from retailers like Walmart and the official Worx website are listed below the images. There is a search bar at the top containing the specific model name. Suggested search terms for brands like Dewalt appear in bubbles above the main results. The overall interface is a standard web browser view of image search results.


Search Results for Worx 20V Brushless Angle Grinders

Search Results for Worx 20V Brushless Angle Grinders

The image shows a digital screenshot of a Google search page for power tools. Multiple rectangular tiles display various cordless angle grinders from different brands and retailers. Many of the featured products are from the Worx brand and use 20V battery systems. Several tiles contain links to YouTube videos and retail websites like Lowes and Walmart. Most of the tools feature a black and orange or yellow and black color scheme. Some images show the grinders being used in a workshop setting. The top of the screen shows a search bar with the specific product name entered. Small icons for video and shopping filters are visible on the thumbnails. The layout is organized into a grid for easy browsing of options.


Google Search Results for WORX Angle Grinders

Google Search Results for WORX Angle Grinders

The image shows a web browser displaying Google search results for a WORX 20V brushless angle grinder. A search bar at the top contains the product name and several filter buttons. The results include a row of sponsored product listings from different retailers. Five distinct WORX power tools are featured in the product carousel. The tools shown include Nitro 20V 4.5 inch angle grinders and a 3 inch mini cutter. Prices for the items range from 89.99 to 209.99 dollars. Retailers listed include WORX, AliExpress, and Stoneberry. Each product listing includes a star rating and the number of reviews. Some items display discount labels such as 10 dollars off or 30 percent off. The location for the search results is set to Kansas City MO. The overall interface is clean with a white background and organized text.


Google Shopping Search Results for Worx Angle Grinder

Google Shopping Search Results for Worx Angle Grinder

The image shows a web browser displaying Google Shopping search results for a Worx 20V brushless angle grinder. Multiple listings appear at the top of the page from various retailers like eBay and AliExpress. Prices for these tools vary significantly from eighty dollars to over three hundred dollars. Below the main row are two larger product tiles. One tile shows a Worx WX800 angle grinder with a battery and charger. The other tile features a Worx Wu980 brushless model with an image of an electronic chip. This second listing is from Taobao and shows a very low price in dollars next to a higher yuan amount. The bottom of the screen displays location information for Kansas City Missouri. Links for help and privacy terms are visible at the very bottom of the page.


YouTube Search Results for WORX Cordless Angle Grinders

YouTube Search Results for WORX Cordless Angle Grinders

The image shows a YouTube search results page for a WORX cordless angle grinder. The search bar at the top contains the text for a 20V brushless model. Two main video results are visible on the screen. The first video features a person using a grinder on a metal bar. Sparks are flying from the cutting wheel during the demonstration. This video is titled The WORX WX812 Brushless Cordless Angle Grinder. It was uploaded by the Worx Power and Garden Tools UK channel. The second video shows a product shot of a grinder against a white background. This model is identified as the WU806 bare tool. Text overlays on the thumbnail mention the tool does not include a battery or charger. A sidebar on the left shows standard YouTube navigation icons like Home and Shorts. The overall layout is a typical desktop web browser view. The page looks clean and informative for someone researching power tools.


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