{"id":87009,"date":"2026-10-17T11:33:00","date_gmt":"2026-10-17T11:33:00","guid":{"rendered":"https:\/\/www.vevor.com\/diy-ideas\/?p=87009"},"modified":"2026-10-19T01:51:31","modified_gmt":"2026-10-19T01:51:31","slug":"angle-grinder-concrete","status":"publish","type":"post","link":"https:\/\/www.vevor.com\/diy-ideas\/angle-grinder-concrete\/","title":{"rendered":"Angle Grinder Concrete Work: Setup, Technique, and Limits","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>You need to grind down a peak on your garage slab, but all you have is an angle grinder for metal cuts. Before you put a wheel on, keep in mind that <a href=\"https:\/\/www.vevor.com\/concrete-grinder-c_44180\" target=\"_blank\" rel=\"noreferrer noopener\">grinding concrete<\/a> with an angle grinder concrete affects your wheel, guard, and dust handling, just like the <a href=\"https:\/\/www.vevor.com\/diy-ideas\/diamond-cutting-wheel-for-concrete\/\" target=\"_blank\" rel=\"noreferrer noopener\">diamond cutting wheel for concrete guide<\/a> explains when you make a cut. The grinding wheel does the job this time around, and confusing the two is the biggest problem beginners face. Below are the steps in sequence from start to finish.<\/p><div class=\"wp-block-ht-block-toc is-style-rounded htoc htoc--position-wide toc-list-style-plain\" data-htoc-state=\"expanded\" data-htoc-scrollspy=\"false\" data-htoc-auto-collapse=\"true\" data-htoc-mapping-headers=\"[false,true,false,false,false,false]\"><span class=\"htoc__title\"><span class=\"ht_toc_title\">Table of Contents<\/span><span class=\"htoc__toggle\"><\/span><\/span><div class=\"htoc__itemswrap\"><ul class=\"ht_toc_list\"><li class=\"\"><a href=\"#h-what-is-the-best-angle-grinder-for-concrete\">What Is the Best Angle Grinder for Concrete?<\/a><\/li><li class=\"\"><a href=\"#h-which-wheel-or-blade-does-angle-grinder-concrete-work-need\">Which Wheel or Blade Does Angle Grinder Concrete Work Need?<\/a><\/li><li class=\"\"><a href=\"#h-how-do-you-grind-concrete-with-an-angle-grinder-step-by-step\">How Do You Grind Concrete With an Angle Grinder, Step by Step?<\/a><\/li><li class=\"\"><a href=\"#h-can-an-angle-grinder-grind-a-whole-concrete-floor-or-is-a-floor-grinder-better\">Can an Angle Grinder Grind a Whole Concrete Floor, or Is a Floor Grinder Better?<\/a><\/li><\/ul><\/div><\/div><h2 class=\"wp-block-heading\" id=\"h-what-is-the-best-angle-grinder-for-concrete\">What Is the Best Angle Grinder for Concrete?<\/h2><figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/hand-held-concrete-grinders-diamond-cup-wheels.jpg!webp\" alt=\"Hand-held concrete grinders with diamond cup wheels\" class=\"wp-image-86898\" srcset=\"https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/hand-held-concrete-grinders-diamond-cup-wheels.jpg!webp 800w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/hand-held-concrete-grinders-diamond-cup-wheels-300x169.jpg!webp 300w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/hand-held-concrete-grinders-diamond-cup-wheels-768x432.jpg!webp 768w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/hand-held-concrete-grinders-diamond-cup-wheels-600x338.jpg!webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure><p>However, choose the right angle grinder concrete based on the nature of your work, since grinding and cutting have different requirements. When grinding, use the angle grinder concrete that can accommodate the wheel you intend to use.&nbsp;<\/p><p>Ensure the spindle thread and mounting system, wheel size, guard system, and speed rating match according to the manual for both the tool and wheel. For cutting, use a diamond blade that matches the guard system and the specified grinder. A concrete<a href=\"https:\/\/www.vevor.com\/diy-ideas\/concrete-cutting-saw\/\" target=\"_blank\" rel=\"noreferrer noopener\"> cutting saw<\/a> is better for deep or long cuts.<\/p><p>For any grinding project, first match the grinding wheel to your angle grinder. A wheel&#8217;s highest rated speed cannot exceed the grinder\u2019s no-load speed. For instance, Milwaukee rates its 5-inch turbo cup wheel (49-93-7790) at 12,000 RPM, while its M18 FUEL 2880-20 grinder has a speed rating of 8,500 RPM.<\/p><h3 class=\"wp-block-heading\" id=\"h-what-are-the-best-hand-held-concrete-grinders-for-grinders-that-accept-diamond-cup-wheels\">What Are the Best Hand-Held Concrete Grinders for Grinders That Accept Diamond Cup Wheels?<\/h3><p>Start with grinders for concrete surface work, as they&#8217;re built with cup wheels and dust collection in mind. This table includes dedicated concrete grinders, one angle grinder concrete for everything, and one shroud kit. Check the intended use column because VEVOR doesn\u2019t offer any angle grinders for hands in their angle grinders category. No source ranks them, so compare speed, weight, and dust connection, and browse<a href=\"https:\/\/www.vevor.com\/concrete-grinder-c_44180\" target=\"_blank\" rel=\"noreferrer noopener\"> VEVOR\u2019s concrete grinders<\/a> if you want a walk-behind option as well.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Model<\/strong><\/td><td><strong>Intended use<\/strong><\/td><td><strong>Power and speed<\/strong><\/td><td><strong>Spindle or mounting<\/strong><\/td><td><strong>Notes<\/strong><\/td><\/tr><tr><td>DEWALT DWE46155<\/td><td>Concrete and masonry surface grinding<\/td><td>13 A, 120 V corded; check the manual for speed<\/td><td>Check the manual<\/td><td>Kit includes a 5 in dust shroud with flush edge grinding, a diamond turbo wheel, and a bail handle<\/td><\/tr><tr><td>Hilti DGH 130<\/td><td>Concrete grinder<\/td><td>1300 W corded, 3,000 to 8,700 rpm<\/td><td>22.2 mm arbor size; thread not listed<\/td><td>2.5 kg; adjustable dust hood for edges and corners<\/td><\/tr><tr><td>Bosch GBR 18V-15 S<\/td><td>Dry grinding of concrete, stone, and screed<\/td><td>18 V battery, 2,600 to 8,500 rpm<\/td><td>M14 spindle thread, 22.23 mm bore, 125 mm cup wheel<\/td><td>2.6 kg without battery<\/td><\/tr><tr><td>Milwaukee M18 FUEL 2880-20<\/td><td>General-purpose angle grinder<\/td><td>18 V battery, tool only, 8,500 RPM listed<\/td><td>5\/8&#8243;-11 spindle, 4-1\/2 in or 5 in wheels<\/td><td>The maker\u2019s page does not mention concrete<\/td><\/tr><tr><td>VEVOR dust shroud with 5 in cup wheel<\/td><td>Add-on shroud for 4-5 in angle grinders, listed for concrete and wall<\/td><td>Uses your own grinder\u2019s motor<\/td><td>Fits 4-5 in discs; six clamping washers<\/td><td>Connects to a vacuum cleaner; port size not listed<\/td><\/tr><\/tbody><\/table><\/figure><p>Spindle thread determines which wheels will work. Milwaukee spindle thread is 5\/8&#8243;-11, while Bosch spindle thread is M14. So, a threaded wheel that fits one won\u2019t fit the other because the threads differ. DEWALT and Hilti websites don&#8217;t list the spindle thread; refer to the manuals for their approved cup wheels.<\/p><div id=\"vevor-goods-card-container_1\"><div id=\"translate_map\" style=\"height:0;overflow:hidden;\"><div id='VkVWT1IgRWxlY3RyaWMgQ29uY3JldGUgRmxvb3IgR3JpbmRlciA3IiBXYWxrLUJlaGluZCBHcmluZGVyIDEuN0hQIENvbmNyZXRlIEZsb29yIFBvbGlzaGVyLCAxMzAwVyBHcmluZGluZyBNYWNoaW5lLCAxNzIwUlBNIFVwZ3JhZGUgQnJ1c2hsZXNzIE1vdG9yIFN1cmZhY2luZyBHcmluZGVyIGZvciBHcmFuaXRlL01hcmJsZS9TdG9uZXM='>VEVOR Electric Concrete Floor Grinder 7\" Walk-Behind Grinder 1.7HP Concrete Floor Polisher, 1300W Grinding Machine, 1720RPM Upgrade Brushless Motor Surfacing Grinder for Granite\/Marble\/Stones<\/div><div id='VkVWT1IgRWxlY3RyaWMgQ29uY3JldGUgR3JpbmRlciwgMTQwMFcgMzYwMCBSUE0sIFdhbGsgQmVoaW5kIEZsb29yIFBvbGlzaGVyLCBNYXJibGUsIFN0b25lLCBFcG94eSBGbG9vciBQb2xpc2hpbmcsIDcgaW4gR3JpbmRpbmcgRGlzYywgQWRqdXN0YWJsZSBIYW5kbGUsIHdpdGggVmFjdXVtIFBvcnQsIER1YWwgRGVicmlzIENvbnRyb2wsIE9yYW5nZQ=='>VEVOR Electric Concrete Grinder, 1400W 3600 RPM, Walk Behind Floor Polisher, Marble, Stone, Epoxy Floor Polishing, 7 in Grinding Disc, Adjustable Handle, with Vacuum Port, Dual Debris Control, Orange<\/div><div id='VkVWT1IgQ29uY3JldGUgU2NhcmlmaWVyLCAzNzAwVyAyNTAwIFJQTSBXYWxrLUJlaGluZCBGbG9vciBQbGFuZXIgR3JpbmRlciwgQ2FyYmlkZSBDdXR0ZXJzLCAxLzggaW4gQWRqdXN0YWJsZSBEZXB0aCwgVmFjdXVtIFBvcnQgZm9yIFN1cmZhY2UgUHJlcGFyYXRpb24sIFRyYWZmaWMgTGluZSBSZW1vdmFsLCBQYXZlbWVudCwgRmxvb3IgUmVwYWly'>VEVOR Concrete Scarifier, 3700W 2500 RPM Walk-Behind Floor Planer Grinder, Carbide Cutters, 1\/8 in Adjustable Depth, Vacuum Port for Surface Preparation, Traffic Line Removal, Pavement, Floor Repair<\/div><\/div><h2>Recommended For Your Project<\/h2><\/div><h3 class=\"wp-block-heading\" id=\"h-what-are-the-best-battery-powered-concrete-grinders-if-i-need-cordless-options\">What Are the Best Battery-Powered Concrete Grinders If I Need Cordless Options?<\/h3><p>Of the two <a href=\"https:\/\/www.vevor.com\/power-angle-grinders-c_13801\/angle-grinder-dust-shroud-4-5-in-6-clamping-washers-5-in-grinding-wheel-p_010524320037\" target=\"_blank\" rel=\"noreferrer noopener\">angle grinders<\/a> listed above, the Bosch GBR 18V-15 S is designed for use on concrete. This grinder is intended for dry grinding and surface refinement of concrete, stone, and screed, and it has a dust-collection connection. The 2880-20 by Milwaukee is a braking angle grinder concrete for general use, and the page does not indicate it is for use on concrete.<\/p><h2 class=\"wp-block-heading\" id=\"h-which-wheel-or-blade-does-angle-grinder-concrete-work-need\">Which Wheel or Blade Does Angle Grinder Concrete Work Need?<\/h2><figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/walk-behind-vs-handheld-floor-grinder.png!webp\" alt=\"Angle grinder concrete cutting and grinding with diamond wheels\" class=\"wp-image-86903\" srcset=\"https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/walk-behind-vs-handheld-floor-grinder.png!webp 800w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/walk-behind-vs-handheld-floor-grinder-300x169.png!webp 300w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/walk-behind-vs-handheld-floor-grinder-768x432.png!webp 768w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/walk-behind-vs-handheld-floor-grinder-600x338.png!webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure><p>Choose the right wheel for the job, not the other way around. While a diamond blade cuts materials, a diamond cup wheel grinds them. You can cut concrete with an angle grinder concreter for shallow cuts and short lines, but don\u2019t grind with the side of the cutting blade, since it isn&#8217;t designed for that kind of stress. If you are cutting masonry materials like bricks and blocks, choose a <a href=\"https:\/\/www.vevor.com\/diy-ideas\/masonry-cutting-wheel\/\" target=\"_blank\" rel=\"noreferrer noopener\">masonry cutting wheel<\/a> instead.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Job<\/strong><\/td><td><strong>Wheel<\/strong><\/td><td><strong>Watch for<\/strong><\/td><\/tr><tr><td>Cutting a slot or short line<\/td><td>Diamond blade<\/td><td>Closed guard and steady, shallow passes<\/td><\/tr><tr><td>Grinding a high spot<\/td><td>Diamond cup wheel<\/td><td>Dust shroud and a matching spindle<\/td><\/tr><tr><td>Edges and corners<\/td><td>Smaller cup wheel<\/td><td>A shroud with a flush edge door<\/td><\/tr><tr><td>Removing adhesive<\/td><td>Cup wheel<\/td><td>Dust control, and check old adhesive for asbestos first<\/td><\/tr><\/tbody><\/table><\/figure><p>In the Milwaukee product list, it is indicated that the 4-inch DIAMOND MAX double row cup wheel (49-93-7750), which has a 5\/8&#8243; &#8211; 11 arbor and operates at up to 15,000 RPM, is used for concrete grinding, leveling, and removal of adhesives. The 4-inch and 5-inch turbo wheels are listed for wet and dry operation, depending on your dust-control method.<\/p><h2 class=\"wp-block-heading\" id=\"h-how-do-you-grind-concrete-with-an-angle-grinder-step-by-step\">How Do You Grind Concrete With an Angle Grinder, Step by Step?<\/h2><figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-concrete-grinding-safety-gear.jpg!webp\" alt=\"Angle grinder concrete grinding with safety gear\" class=\"wp-image-86896\" srcset=\"https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-concrete-grinding-safety-gear.jpg!webp 800w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-concrete-grinding-safety-gear-300x169.jpg!webp 300w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-concrete-grinding-safety-gear-768x432.jpg!webp 768w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-concrete-grinding-safety-gear-600x338.jpg!webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure><p>Clear the slab, establish dust control, install the correct cup wheel, edge-grind the slab first, then pass over the slab surface, evaluate, and clean up. This order helps minimize dust. First, clean the floor and check for cracks, spalls, or old adhesive. Mark any crack that needs to be filled by following the procedure for <a href=\"https:\/\/www.vevor.com\/diy-ideas\/garage-floor-crack-repair\/\" target=\"_blank\" rel=\"noreferrer noopener\">filling cracks in a garage floor.<\/a> Test the adhesive for asbestos before grinding it. Second, wear protective eye gear, hearing protection, and a respirator. <\/p><p>According to Hilti, DGH 130 emits 88 dB(A) noise. Therefore, you need hearing protection. Third, install the correct shroud and cup wheel, tighten the wheel according to the manufacturer&#8217;s instructions, and connect the dust-extraction system. Before starting angle grinder concrete work, check that the wheel, guard, and vacuum are compatible with your machine.<\/p><h3 class=\"wp-block-heading\" id=\"h-how-do-i-control-dust-when-using-an-angle-grinder-on-concrete\">How Do I Control Dust When Using an Angle Grinder on Concrete?<\/h3><p>Grinding concrete can release respirable crystalline silica, which can harm your lungs. When grinding concrete with an angle grinder, use a shroud with a vacuum or water the wheel. OSHA\u2019s hand-held grinders fact sheet suggests that the integrated water system be used outdoors only, which implies you will need a vacuum when working indoors.&nbsp;<\/p><p>Choose a shroud designed for your grinder and cup wheel. For an angle<a href=\"https:\/\/www.vevor.com\/concrete-grinder-c_44180\" target=\"_blank\" rel=\"noreferrer noopener\"> grinder used to grind concrete<\/a>, OSHA guidance specifies a vacuum airflow of at least 25 cubic feet per minute (CFM) for each inch of wheel diameter under the relevant dust-control method. For a 5-inch wheel, that means at least 125 CFM. The vacuum should also have a cyclonic preseparator or filter-cleaning mechanism and a filter rated at 99% efficiency or higher for respirable particles, as specified by the applicable guidance.<\/p><p>Cleaning up is also important. According to OSHA standards, clean surfaces and filters using a HEPA vacuum cleaner or wet methods. Do not blow dust with compressed air. When working indoors, you need additional ventilation, since a shroud alone may not keep exposure low. OSHA&#8217;s Table 1 also requires wearing a respirator with an assigned protection factor of at least 10 if indoor grinding with dust collection lasts longer than four hours during a shift. Using this equipment for short tasks is an additional precaution, not an OSHA standard, but it&#8217;s good practice. Now that the dust has settled, <a href=\"https:\/\/www.vevor.com\/diy-ideas\/clean-a-concrete-garage-floor\/\" target=\"_blank\" rel=\"noreferrer noopener\">clean the concrete garage floor<\/a>.<\/p><h3 class=\"wp-block-heading\" id=\"h-what-size-angle-grinder-is-best-for-concrete-edges-and-corners\">What Size Angle Grinder Is Best for Concrete Edges and Corners?<\/h3><p>A 4\u00bd-inch or<a href=\"https:\/\/www.vevor.com\/concrete-grinder-c_44180\" target=\"_blank\" rel=\"noreferrer noopener\"> 5-inch grinder<\/a> is usually appropriate for grinding edges and corners because it&#8217;s easy to control in small areas, but the best choice depends on your grinder&#8217;s power, the wheel&#8217;s specifications, and the task at hand. If you choose an angle grinder concrete blade or cup wheel, make sure it matches your equipment in size, speed, and purpose.<\/p><p>Cup wheels come in several sizes: 4-inch, 4\u00bd-inch, 5-inch, and 7-inch. Although a larger wheel covers more surface area with each pass, it&#8217;s harder to control when grinding near walls, pillars, and staircases. To grind edges with an angle grinder, choose a disc with a shroud that lets you reach the area. Some shrouds include a removable part for grinding edges.<\/p><p>Turn on the machine and let it reach working speed, then engage the wheel with the concrete. Hold the machine with your strong hand and push it gently. Don&#8217;t push too hard, as too much pressure can cause an uneven finish.<\/p><p>Now grind the edge using short overlapping movements. Move to the open floor and continue grinding with overlapping motions. After grinding, test the surface with a straightedge and look for cracks and rough areas. Vacuum up the dust, fix the problems, and prepare the slab for the coating. It&#8217;s easier to work with the right angle grinder concrete on small jobs, especially when you use the right wheels and dust-control systems.<\/p><h2 class=\"wp-block-heading\" id=\"h-can-an-angle-grinder-grind-a-whole-concrete-floor-or-is-a-floor-grinder-better\">Can an Angle Grinder Grind a Whole Concrete Floor, or Is a Floor Grinder Better?<\/h2><figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-vs-walk-behind-concrete-floor-grinder.jpg!webp\" alt=\"Angle grinder vs walk-behind concrete floor grinder\" class=\"wp-image-86897\" srcset=\"https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-vs-walk-behind-concrete-floor-grinder.jpg!webp 800w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-vs-walk-behind-concrete-floor-grinder-300x169.jpg!webp 300w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-vs-walk-behind-concrete-floor-grinder-768x432.jpg!webp 768w, https:\/\/i.vevor.net\/wp-content\/uploads\/2026\/10\/angle-grinder-vs-walk-behind-concrete-floor-grinder-600x338.jpg!webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure><p>While an\u00a0 angle grinder concrete can grind a limited area, a<a href=\"https:\/\/www.vevor.com\/concrete-grinder-c_44180\" target=\"_blank\" rel=\"noreferrer noopener\"> floor grinder<\/a> is better for grinding an entire floor. The guide by RNTR provides approximate numbers such as 50-150 square feet an hour for hand grinders and 500-2,000 square feet a day for walk-behind grinders. Treat these as approximate figures, depending on how much concrete you remove and other variables.<\/p><p>A hand tool is harder to keep steady in a large space; besides, you will get tired long before the machine does. You may opt for a smaller upgrade; in that case, the <a href=\"https:\/\/www.vevor.com\/floor-grinder-machine-c_11003\/vevor-electric-concrete-floor-grinder-7-walk-behind-grinder-1-7hp-concrete-floor-polisher-1300w-grinding-machine-1720rpm-upgrade-brushless-motor-surfacing-grinder-for-granite-marble-stones-p_010509851176\" target=\"_blank\" rel=\"noreferrer noopener\">7-inch 1.7HP floor grinder<\/a> with a dust collection port will work for you.<\/p><h3 class=\"wp-block-heading\" id=\"h-when-should-i-switch-from-an-angle-grinder-to-a-walk-behind-concrete-grinder\">When Should I Switch from an Angle Grinder to a Walk-Behind Concrete Grinder?<\/h3><p>Switch when you spend most of your time on open floor, need an even finish for coating or epoxy floors, or your arms get tired before the floor is complete. Many concrete works require both: a walk-behind machine for the open floor and an&nbsp; angle grinder concrete for the edges.<\/p><p>One option is a 10-inch, 1.7 HP<a href=\"https:\/\/www.vevor.com\/floor-grinder-machine-c_11003\/vevor-electric-concrete-floor-grinder-10-walk-behind-grinder-1-7hp-concrete-floor-polisher-1300w-grinding-machine-1720rpm-upgrade-brushless-motor-surfacing-grinder-for-granite-marble-stones-p_010752801764\" target=\"_blank\" rel=\"noreferrer noopener\"> floor grinder<\/a> for garage or basement floors. Since this machine requires a 10-inch disc, make sure your doorway and electrical supply can accommodate it, and consider how you plan to transport it. Smaller machines require narrower doorways, and in older houses that can be a deciding factor, so measure your door before ordering.<\/p><p>The machine&#8217;s weight matters, as it&#8217;s harder to carry a heavy machine up the stairs or load it into a car. The<a href=\"https:\/\/www.vevor.com\/other-c_45583\/vevor-electric-concrete-grinder-1400w-3600-rpm-walk-behind-floor-polisher-marble-stone-epoxy-floor-polishing-7-in-grinding-disc-adjustable-handle-with-vacuum-port-dual-debris-control-orange-p_010389325322\" target=\"_blank\" rel=\"noreferrer noopener\"> 1400W walk-behind grinder<\/a> weighs 62.5 lb, so plan the lift and have a second pair of hands before you buy.<\/p><figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container \" style=\"height: 100%;\"><iframe title=\"VEVOR Electric Concrete Floor Grinder 10 inch Honest Review 2026\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/75CGoOTkiII?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure><h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h2><p>Grinding an angle grinder concrete can be done step by step: prepare the slab, manage dust, choose the right cup wheel, grind the edges, and finally grind the field. You&#8217;ll need a 4-1\/2- to 5-inch grinder for the edges and a shroud to attach to the vacuum. When grinding a whole slab, use a <a href=\"https:\/\/www.vevor.com\/concrete-grinder-c_44180\" target=\"_blank\" rel=\"noreferrer noopener\">walk-behind grinder.<\/a><\/p><h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions-nbsp\">Frequently Asked Questions&nbsp;<\/h2><h3 class=\"wp-block-heading\" id=\"h-can-i-use-a-metal-grinding-wheel-on-an-angle-grinder-for-concrete\">Can I use a metal grinding wheel on an angle grinder for concrete?<\/h3><p>No. Use a diamond cup wheel to grind concrete and a diamond blade to cut concrete. Metal grinding and cutting wheels are not designed for masonry work.<\/p><h3 class=\"wp-block-heading\" id=\"h-can-an-angle-grinder-cut-concrete\">Can an angle grinder cut concrete?<\/h3><p>Yes, for shallow slots and short lines, use a diamond blade and a closed guard, but a concrete saw is better for deep cuts or long lines.<\/p><h3 class=\"wp-block-heading\" id=\"h-is-a-4-5-inch-or-5-inch-angle-grinder-better-for-concrete\">Is a 4.5-inch or 5-inch angle grinder better for concrete?<\/h3><p>The 5-inch grinder removes more material at once, but the 4.5-inch grinder is ideal for tight spaces. Make sure the spindle fits your cup wheel.<\/p><h3 class=\"wp-block-heading\" id=\"h-what-thread-do-cup-wheels-for-an-angle-grinder-use-on-concrete\">What thread do cup wheels for an angle grinder use on concrete?<\/h3><p>Many use 5\/8\u201d-11, but there are some grinders that use M14 thread, such as the Bosch GBR 18V-15 S. Check the threading of your grinder.<\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>You need to grind down a peak on your garage slab, but all you have is an angle grinder for [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":4,"featured_media":86895,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[6314,6357,6306],"tags":[13023,13024,13026,13027,13025],"class_list":["post-87009","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-house-maintenance","category-house-maintenance-videos","category-outdoor","tag-angle-grinder-concrete","tag-angle-grinder-for-concrete","tag-angle-grinder-for-grinding-concrete","tag-best-angle-grinder-for-concrete","tag-cutting-concrete-with-angle-grinder"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.3 (Yoast SEO v25.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Step-by-Step Concrete Grinding with an Angle Grinder<\/title>\n<meta name=\"description\" content=\"Learn how to grind concrete with an angle grinder. 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