Concrete Grinders and Polishers for Concrete Pros

Looking for professional-grade Concrete Grinders and Polishers built to handle tough jobsite conditions? At Concrete Tools Direct, we offer contractor-grade machines designed for surface prep, coating removal, and polishing concrete with precision. With sizes from 9" to 32" and AC or propane-powered options, these grinders and polishers deliver consistent results on every project. Backed by trusted brands, fast U.S. shipping, and no sales tax (except TX), our collection ensures reliable performance for contractors who demand smooth, high-quality finishes.

12 products

Top-Rated Concrete Grinders and Polishers

Top Models / Feature Picks
Our experts handpicked these professional-grade concrete grinders and polishers for their power, precision, and durability. Whether you’re smoothing small residential slabs or polishing large commercial floors, these machines deliver consistent, contractor-grade results every time.

32 Core Prep Grinder/Polisher, AC-powered - CPG3200

Experience unprecedented grinding power with our 32 Core Prep Grinder/Polisher, the ideal concrete grinding machine for any construction task.
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Handheld 12 Core Prep Hand Polisher, AC-powered - CPG305

Introducing the CPG305, a top-tier hand concrete grinder that revolutionizes the way you handle concrete surfaces. Armed with an efficient FEIN® variable speed motor, this handheld powerhouse operates as a grinder polisher at your command.
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32 Core Prep Grinder/Polisher, Propane - CPG3230G

Experience the power and versatility of the CPG3230G, a walk behind concrete grinder designed for efficiency and durability. Equipped with a 26HP Kawasaki engine converted to propane, this robust machine is perfect for situations where electric power is not available.
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How to Choose the Right Concrete Grinders and Polisher

When selecting a concrete grinder or polisher, consider your project size, surface type, and desired finish. The right tool ensures efficient grinding, smooth surfaces, and consistent polishing results for every floor.

Grinding Method

Choose between handheld grinders for detail work, walk-behind grinders for larger floors, or grinder/polisher combos for leveling and finishing in one pass.

Power Source

Electric grinders are ideal for indoor use or low-emission areas, while propane-powered units provide high output for heavy-duty or outdoor jobs.

Disc Size and Coverage

Smaller 8–12 inch discs offer precision in tight spaces, while larger 20–32 inch discs cover more surface area faster for commercial projects.

Portability and Maneuverability

Handheld grinders offer maximum maneuverability for corners and edges. Walk-behind machines are designed for smooth control across large slabs.

Durability and Maintenance

Look for reinforced frames, quality motors, and easily replaceable consumables to ensure long-lasting performance on demanding job sites.
No matter the size or type of your project, choosing the right concrete grinder or polisher ensures professional-grade results every time. Explore our full range to find the tool that meets your floor prep and finishing needs.

Frequently Asked Questions

FAQ’s

What’s the best concrete grinder or polisher for small to medium projects?

For smaller slabs or residential jobs, a compact concrete grinder or polisher with a 9–16 inch head provides precision and maneuverability. Models like the CPG80E or CPG175 are popular choices among concrete pros.

What size grinder or polisher should I use for larger surfaces?

For larger commercial floors, grinders or polishers with 20–32 inch heads allow you to cover more surface area quickly while maintaining a consistent finish.

Should I choose an electric or propane-powered grinder/polisher?

Electric models are ideal for indoor or low-emission areas, providing quieter operation and easy maintenance. Propane-powered machines offer higher output and mobility for open or outdoor job sites.

How do I maintain my concrete grinder or polisher?

Inspect grinding/polishing heads before each use, clean the machine after every job, and check belts, motors, and water lines regularly. Proper maintenance ensures consistent performance and extends the tool’s lifespan.