Finding a cordless tool that can actually handle the brutal demands of masonry work is a challenge. The Bosch 5 Inch 18V Concrete Surface Grinder Kit changes that by delivering the power of a 13 Amp corded tool without the tripping hazard of a long extension cord. Right now, you can score an incredible bonus when you buy this kit: a free 12.0Ah battery worth $199. This massive battery ensures you have the runtime needed for serious material removal and surface preparation. This post contains affiliate links, which means I may earn a small commission if you buy through them—at no extra cost to you. It helps keep the tool deals coming, so thanks for your support! Prices valid at time of posting but are subject to change at anytime.

Bosch 18V 5 inch cordless concrete surface grinder kit featuring a dust shroud and a large 12.0Ah lithium ion battery on a concrete surface.

Get the Bosch Concrete Grinder Kit plus Free 12.0Ah Battery

Final Price Breakdown

Offer: Free 18V 12.0Ah Battery with Kit Purchase
Bonus Value: $199
Battery Included: 12.0Ah (Highest Capacity)
Expiration: April 30, 2026

Why This Tool Is Worth It

Concrete grinding is one of the toughest tasks for any motor, but this Bosch brushless unit is engineered for survival. It features a specialized interior dust sealing system and a dedicated shroud to keep abrasive grit away from the internal components. Having the free 12.0Ah battery is a game changer because high torque grinding consumes power quickly. This kit allows you to maintain professional speed and safety with integrated Kickback Control and Drop Control, which automatically shuts the tool down during accidental falls or blade binds.

Features

CORDED POWER CORDLESS FREEDOM: Tackle the most demanding concrete surface grinding and preparation jobs with the high performance brushless motor providing the equivalent of 13 Amps of corded power for fast material removal without the hassle of a cord
PRECISION SPEED CONTROL: The intuitive onboard user interface features three adjustable speed settings 2600 to 8500 RPM allowing you to optimize the grinder performance for the specific task and material ensuring consistent high quality results
ADAPTIVE FLUSH GRINDING: Engineered for versatility with a rotatable top handle and a moveable guard element this grinder makes it easier and more comfortable to perform flush grinding right up to the edge and work efficiently in tight restrictive spaces
SUPERIOR DUST MANAGEMENT: Features a dedicated dust collection shroud with a reinforced suction port and a Click and Clean interface providing enhanced dust extraction for a cleaner safer work environment and contributing to a longer overall tool life
ADVANCED KICKBACK CONTROL: Work with greater confidence thanks to KickBack Control an electronic sensor that helps to shut the tool off if the wheel gets into a binding situation significantly reducing the risk of sudden tool reactions
Enhanced dust extraction with click and clean interface reinforced suction port dedicated interior dust sealing system and two piece brush collar
Restart protection helps prevent accidental tool startup if power supply is interrupted
Drop control helps shut the grinder off in case of accidental drops
Brake system quickly stops the wheel when the switch is turned off

Who This Is Best For

This kit is designed for concrete contractors, flooring installers, and masonry professionals who need a reliable tool for edge work and surface leveling. It belongs in a professional shop where dust control and worker safety are top priorities. Because it includes the highest capacity Bosch battery for free, it is also the ultimate entry point for anyone looking to join the Bosch 18V platform with a tool that demands maximum output.

Claim Your Free $199 Battery with the Bosch Grinder Kit

Do you know a contractor who is still dragging cords across the jobsite? Share this post with them so they can take advantage of this free battery offer!

Never miss a deal at Acme Tools! Visit our updated Acme Tools Hub to see current deals all in one place. Check out our other deal hubs at Home Depot, Amazon, and Rockler.