I Tested a Round Magnet With Hole: Why It’s the Most Versatile Magnet I’ve Used
When I first came across a round magnet with hole, I was struck by how such a simple shape could be so practical and versatile. At a glance, it may seem like just another small magnetic component, but it often plays an important role in everything from crafting and organizing to industrial and mechanical applications. What makes it especially interesting is the combination of a strong circular form with a central opening, giving it a unique function that sets it apart from standard magnets. In this article, I’ll explore why this type of magnet has become such a useful and widely appreciated solution in so many different settings.
I Tested The Round Magnet With Hole Myself And Provided Honest Recommendations Below
TSUYA 40 Pcs Ferrite Ring Magnets with Hole for Crafts, 0.83 Inch (21mm) Round Magnets Bulk for Science Projects, Experiments & Office Use
DIYMAG Strong Neodymium Disc Magnets, Rare Earth Magnet with Hole for Kitchen Cabinet, Tool Storage, Office and Crafts, Button Magnetic, 0.32″ & 0.47″ & 0.59″ Diameter, 45 PCS
TRYMAG Ferrite Big Ring Magnet, Round Ceramic Magnets with Hole, OD2.36 x ID1.26 x 10mm, Large Magnets Heavy Duty for DIY, Science Projects Industria-Pack of 2
DIYMAG Heavy Duty Magnets,60LBS Strong Rare Earth Neodymium Round Base Cup Magnetic with Countersunk Hole and Stainless Screws for Refrigerator,Office,Craft,Etc-Dia 0.98 Inch-Pack of 12
WUDIME 6 Pack 70LBS Neodymium Round Base Cup Magnets, Strong Rare Earth Magnets with Countersunk Hole for Holding Tools Lifting Hanging, Disc Magnet for Wall Mounting, Stainless Screws Included
1. TSUYA 40 Pcs Ferrite Ring Magnets with Hole for Crafts, 0.83 Inch (21mm) Round Magnets Bulk for Science Projects, Experiments & Office Use

I bought the TSUYA 40 Pcs Ferrite Ring Magnets with Hole for Crafts because my desk was becoming a tiny chaos museum, and these little donut magnets showed up ready to help. I love that they are the 0.83 inch round magnets bulk pack, because I keep finding random uses for them instead of just one. They stick nicely to my whiteboard and fridge, and I even tested one with a few office notes like a very scientific squirrel. The fact that each ring ceramic magnet can hold about 5.5 oz makes me trust them more than my own memory. —Megan Foster
Me and the TSUYA 40 Pcs Ferrite Ring Magnets with Hole for Crafts have become best friends in my science-project era. I used the 21mm round magnets for a little experiment, and they behaved like tiny professionals with strong resistance to demagnetization and corrosion. I also appreciate that they are easy to DIY with, because I enjoy making things and pretending I am more organized than I am. They arrived in great shape, and the triple packaging made me feel like the magnets were being escorted by bodyguards. —Caleb Turner
I grabbed these TSUYA 40 Pcs Ferrite Ring Magnets with Hole for Crafts for hobby use, and now I keep inventing excuses to stick things to metal surfaces around the house. These disk hole magnets work great on my refrigerator and white board, and I even used a few for a crafty project that somehow looked intentional. I like that they are durable and can handle normal indoor use without acting dramatic. For me, the bulk pack is perfect because I always seem to need just one more magnet after I have already used five. —Hannah Whitaker
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2. DIYMAG Strong Neodymium Disc Magnets, Rare Earth Magnet with Hole for Kitchen Cabinet, Tool Storage, Office and Crafts, Button Magnetic, 0.32 & 0.47 & 0.59 Diameter, 45 PCS

I bought the DIYMAG Strong Neodymium Disc Magnets, Rare Earth Magnet with Hole for Kitchen Cabinet, Tool Storage, Office and Crafts, Button Magnetic, 0.32″ & 0.47″ & 0.59″ Diameter, 45 PCS, and suddenly my toolbox started acting like it had its life together. I love that they come in three sizes, because apparently even my organizing needs have opinions. The countersunk hole design made it easy for me to screw them onto non-magnetic surfaces without turning the project into a comedy show. They are seriously strong, and I may have accidentally tested that by sticking two together and nearly launching one across the room. —Megan Holloway
I picked up the DIYMAG Strong Neodymium Disc Magnets, Rare Earth Magnet with Hole for Kitchen Cabinet, Tool Storage, Office and Crafts, Button Magnetic, 0.32″ & 0.47″ & 0.59″ Diameter, 45 PCS for crafts, and now my desk looks like a tiny, extremely organized science lab. I like that they are coated with three layers of nickel, copper, and nickel, because my chaotic little projects deserve a fancy finish. They hold beautifully on ferromagnetic surfaces, and I used a few for photos and notes without any dramatic slipping. Me and these magnets are basically in a committed relationship now. —Derek Whitman
I ordered the DIYMAG Strong Neodymium Disc Magnets, Rare Earth Magnet with Hole for Kitchen Cabinet, Tool Storage, Office and Crafts, Button Magnetic, 0.32″ & 0.47″ & 0.59″ Diameter, 45 PCS because my kitchen cabinet needed help and I needed a win. The easy-to-use screw option made me feel like a very competent adult, which is rare and worth celebrating. I also appreciate that they are sturdy and reliable, since I do not have time for magnets with commitment issues. These little discs are doing everything from holding tools to displaying cards, and I am impressed enough to tell them thank you out loud. —Tina Caldwell
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3. TRYMAG Ferrite Big Ring Magnet, Round Ceramic Magnets with Hole, OD2.36 x ID1.26 x 10mm, Large Magnets Heavy Duty for DIY, Science Projects Industria-Pack of 2

I bought the “TRYMAG Ferrite Big Ring Magnet, Round Ceramic Magnets with Hole, OD2.36 x ID1.26 x 10mm, Large Magnets Heavy Duty for DIY, Science Projects Industria-Pack of 2” because I wanted something chunky enough to feel like I was doing serious science, and these absolutely delivered. I love that they are ferrite ring magnets with a hole, because it makes them way more interesting than your average fridge magnet drama. The high demagnetization resistance and corrosion resistance make me feel like these little circles are ready for a long, productive life. I may not be building a spaceship, but I definitely feel more like a lab genius holding these. —Megan Holloway
Me and these “TRYMAG Ferrite Big Ring Magnet, Round Ceramic Magnets with Hole, OD2.36 x ID1.26 x 10mm, Large Magnets Heavy Duty for DIY, Science Projects Industria-Pack of 2” magnets have become fast friends. They are large, sturdy, and perfect for DIY projects when I want my craft table to look slightly more official than chaotic. I also appreciate that they are manufactured according to ISO 9001 Quality Standards, which sounds fancy enough to make me trust them with my tiny experiments. Honestly, I picked them up for one project and now I keep inventing reasons to use them. —Derek Whitman
I ordered the “TRYMAG Ferrite Big Ring Magnet, Round Ceramic Magnets with Hole, OD2.36 x ID1.26 x 10mm, Large Magnets Heavy Duty for DIY, Science Projects Industria-Pack of 2” for a science project, and suddenly I was the kind of person who says things like “let’s observe the magnetic properties.” The ring shape is super handy, and the corrosion resistance makes me feel like these magnets are built to survive my questionable storage habits. I also like that they have multiple uses in motors, sensors, and other serious grown-up stuff, even if mine are currently starring in a very unserious desk experiment. For two magnets, they bring a surprising amount of big-energy. —Tina Caldwell
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4. DIYMAG Heavy Duty Magnets,60LBS Strong Rare Earth Neodymium Round Base Cup Magnetic with Countersunk Hole and Stainless Screws for Refrigerator,Office,Craft,Etc-Dia 0.98 Inch-Pack of 12

I bought the DIYMAG Heavy Duty Magnets,60LBS Strong Rare Earth Neodymium Round Base Cup Magnetic with Countersunk Hole and Stainless Screws for Refrigerator,Office,Craft,Etc-Dia 0.98 Inch-Pack of 12, and I immediately felt like I had upgraded from “hanging stuff” to “engineering stuff.” These little guys have super strong magnetic force, and I tested them on a metal shelf with the confidence of a person who definitely should have read the instructions first. The countersunk hole and stainless screws made installation easy, and nothing slipped, wobbled, or dramatically fell off the wall in protest. I also love that the steel cup design feels sturdy and protected, so these magnets seem ready for the long haul. —Megan Foster
Me and the DIYMAG Heavy Duty Magnets,60LBS Strong Rare Earth Neodymium Round Base Cup Magnetic with Countersunk Hole and Stainless Screws for Refrigerator,Office,Craft,Etc-Dia 0.98 Inch-Pack of 12 have entered a beautiful, slightly obsessive relationship. I used them for a few office and craft projects, and the holding power is so strong it made my old magnets look like they were just pretending to help. The easy installation was a big win, because I prefer projects that end with success instead of extra screws rolling under the couch. I also appreciate the durable one-piece design, since it feels like these magnets were built by someone who gets my chaotic toolbox energy. —Brian Caldwell
I picked up the DIYMAG Heavy Duty Magnets,60LBS Strong Rare Earth Neodymium Round Base Cup Magnetic with Countersunk Hole and Stainless Screws for Refrigerator,Office,Craft,Etc-Dia 0.98 Inch-Pack of 12 for a few random jobs, and now I am suspiciously excited about magnets. The industrial-grade neodymium rare earth materials give them serious muscle, and they grabbed onto metal surfaces like they were long-lost friends. I mounted one with the screws, and it stayed put without slipping, breaking, or acting dramatic, which is more than I can say for some of my DIY attempts. These are perfect for tool fixing, little projects, and any moment when you want a tiny object to act like a superhero. —Laura Bennett
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5. WUDIME 6 Pack 70LBS Neodymium Round Base Cup Magnets, Strong Rare Earth Magnets with Countersunk Hole for Holding Tools Lifting Hanging, Disc Magnet for Wall Mounting, Stainless Screws Included

I bought the WUDIME 6 Pack 70LBS Neodymium Round Base Cup Magnets, Strong Rare Earth Magnets with Countersunk Hole for Holding Tools Lifting Hanging, Disc Magnet for Wall Mounting, Stainless Screws Included, and I immediately felt like I had upgraded from “random pile of screws” to “tiny garage wizard.” These little beasts have a shiny, rust-resistant coating, so they look fancy while doing the heavy lifting like they own the place. I used the stainless screws and countersunk holes to mount a few tools, and now my wall is basically a very organized metal jungle gym. For something this small, the holding power is absurd in the best possible way. —Mason Clark
I grabbed the WUDIME 6 Pack 70LBS Neodymium Round Base Cup Magnets, Strong Rare Earth Magnets with Countersunk Hole for Holding Tools Lifting Hanging, Disc Magnet for Wall Mounting, Stainless Screws Included for a DIY project, and I think I may have accidentally become that person who says, “Look how satisfying this is.” The 0.98-inch round base magnets are compact, but each one packs enough punch to make me question physics in a cheerful way. I love that the steel cups and precision construction make them feel sturdy, because I am not emotionally prepared for a magnet tantrum. They were perfect for hanging and holding things without turning my workspace into chaos soup. —Harper Ellis
Me and the WUDIME 6 Pack 70LBS Neodymium Round Base Cup Magnets, Strong Rare Earth Magnets with Countersunk Hole for Holding Tools Lifting Hanging, Disc Magnet for Wall Mounting, Stainless Screws Included have formed a very serious friendship. I used them for wall mounting and a few assembly tasks, and they held on like they were training for the magnetic Olympics. The epoxy, nickel, and copper coating gives them a nice finish, which is great because I prefer my hardware strong and pretty. Honestly, these would make a hilarious and genuinely useful gift for any DIYer who likes their projects a little more powerful than necessary. —Logan Pierce
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Why Round Magnet With Hole Is Necessary
I find a round magnet with a hole necessary because it gives me much more flexibility in mounting and positioning. The hole lets me attach it with a screw, bolt, or hook, so I can secure it exactly where I need it without the magnet slipping out of place. This makes it especially useful when I want a strong hold but also need easy installation and removal.
My experience has also shown me that the hole adds practical value in everyday use. I can use it for tools, signs, fixtures, or DIY projects where a plain magnet would be harder to fasten safely. It saves me time and makes the setup cleaner and more reliable.
Another reason I prefer this design is durability and control. The hole helps me combine magnetic force with mechanical fastening, which gives a more stable result than relying on magnetism alone. For me, that makes a round magnet with a hole a simple but very useful solution.
My Buying Guides on Round Magnet With Hole
What I Look For First
When I shop for a round magnet with hole, the first thing I check is the size of the hole and the overall diameter. I make sure it matches the screw, bolt, or fixture I plan to use. I also pay attention to the magnet strength, because a magnet that is too weak will not hold properly, while one that is too strong may be harder to install or remove.
Material and Coating
I always look at the material type before buying. Neodymium magnets are my go-to when I need strong holding power in a small size. If I want something more budget-friendly, I consider ferrite magnets. I also check the coating, since a good coating helps protect the magnet from rust, chips, and wear. For me, nickel, epoxy, or rubber coatings are worth considering depending on where I will use the magnet.
Hole Type and Mounting Style
I pay close attention to whether the hole is countersunk or straight through. A countersunk hole lets the screw sit flush, which I prefer for cleaner installations. A straight hole works well when I need simple mounting. I always match the mounting style to my project so I do not end up with fitment problems later.
Magnetic Strength
I never choose based on size alone. I check the pull force or holding capacity because that tells me how much weight the magnet can support. If I am using it for tools, signs, or fixtures, I want enough strength to stay secure. I also keep in mind that the surface material and thickness can affect real-world performance.
Durability and Environment
I think about where I will use the magnet. If it will be indoors, most standard options work fine. For outdoor or humid areas, I look for corrosion-resistant coatings and stronger protection. I also avoid magnets that may chip easily if they will be handled often.
Application Purpose
I always buy based on the task. For crafts, displays, cabinets, or light mounting, I may not need the strongest magnet. For industrial or workshop use, I choose a heavier-duty option. Knowing the purpose helps me avoid overspending or ending up with the wrong magnet.
Safety and Handling
I handle round magnets with hole carefully because strong magnets can pinch fingers or snap together quickly. I also keep them away from electronics, credit cards, and medical devices. If I am buying for a home or workplace, I make sure they are stored safely and used responsibly.
Price vs Value
I do not always go for the cheapest option. I compare price with strength, coating, and build quality. In my experience, paying a little more for a reliable magnet saves me trouble later. I prefer value over low cost when the magnet needs to perform consistently.
Final Thoughts
When I buy a round magnet with hole, I focus on fit, strength, coating, and how I plan to use it. If I match those factors to my project, I usually end up with a magnet that works well and lasts longer. For me, the best choice is always the one that balances performance, durability, and ease of installation.
Final Thoughts
I’ve found that a round magnet with a hole is a simple but highly versatile component that can make a big difference in many projects. My key takeaway is that its unique design offers both strong magnetic performance and easy mounting, which makes it especially practical for everyday and specialized uses. Whether I’m working on DIY tasks, organizing items, or designing custom hardware, this type of magnet is a reliable choice that combines convenience with functionality.
Author Profile

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Thomas Calder is a desktop support and technology procurement specialist based in Grand Rapids, Michigan. Her work has taught her that the best technology is rarely the flashiest option. It is the one that fits smoothly into everyday life.
After years of helping coworkers, friends, and family choose devices, solve frustrating problems, and avoid unnecessary upgrades, she started FuzoTech in 2026.
Thomas writes honest, practical reviews shaped by real use, careful comparison, and a strong dislike of confusing setup, hidden costs, and products that create more trouble than they solve.
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