--- product_id: 109465308 title: "Ferrite Ring Magnet, 100mm Dia, Big Round Circle Ceramic Magnets with Hole, Strong Large Donut Circular Magnetic Ring Heavy Duty for DIY, Crafts Speaker Creative Hobbies Science" brand: "aomag" price: "€ 37.75" currency: EUR in_stock: true reviews_count: 1 url: https://www.desertcart.pt/products/109465308-ferrite-ring-magnet-100mm-dia-big-round-circle-ceramic-magnets store_origin: PT region: Portugal --- # Grade 10 magnetic strength 100mm diameter, heavy-duty size Corrosion & demagnetization resistant Ferrite Ring Magnet, 100mm Dia, Big Round Circle Ceramic Magnets with Hole, Strong Large Donut Circular Magnetic Ring Heavy Duty for DIY, Crafts Speaker Creative Hobbies Science **Brand:** aomag **Price:** € 37.75 **Availability:** ✅ In Stock ## Summary > 🧲 Elevate your craft with magnetic power that commands attention! ## Quick Answers - **What is this?** Ferrite Ring Magnet, 100mm Dia, Big Round Circle Ceramic Magnets with Hole, Strong Large Donut Circular Magnetic Ring Heavy Duty for DIY, Crafts Speaker Creative Hobbies Science by aomag - **How much does it cost?** € 37.75 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/109465308-ferrite-ring-magnet-100mm-dia-big-round-circle-ceramic-magnets) ## Best For - aomag enthusiasts ## Why This Product - Trusted aomag brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Engineered with corrosion and demagnetization resistance for reliable performance in any environment. - • **Space-Smart Organizer:** Transform clutter into order—use it to secure tools and materials, maximizing your workspace efficiency. - • **Powerful Magnetic Grip:** Grade 10 strength ensures your projects stay firmly in place—no slips, no compromises. - • **Generous 100mm Diameter:** Big, bold, and built for impact—perfect for heavy-duty DIY, crafts, and industrial use. - • **Versatile Creative Catalyst:** From speakers to science experiments, this magnet fuels your innovation across countless applications. ## Overview This 100mm diameter ferrite ring magnet combines Grade 10 magnetic strength with robust corrosion and demagnetization resistance, making it an ideal heavy-duty tool for DIY, crafts, speakers, and scientific projects. Its large size and durable ceramic composition ensure reliable adhesion and long-lasting performance, while the central hole adds versatile mounting options. Packaged by AOMAG, it offers an economical yet powerful solution for professionals and hobbyists alike. ## Description Full description not available ## Features - 【Strong Magnetic Performance】Ferrite Ring Magnets Large Round Magnet with Holes. Size - OD: 100mm, ID: 60mm, Thickness: 20mm. With Grade 10 magnetic strength, these large magnets provide robust magnetic adhesion, ensuring they stay firmly attached to any metal surface without slipping. - 【Strength & Durability】Large Ring Ferrite circle magnets with Hole has high demagnetization resistance, corrosion resistance and oxidation resistance. High-quality materials determine the quality of magnets. The Round Circle Magnets are highly resistant to demagnetization, corrosion, making them suitable for use in challenging environments without the need for additional protective coatings. - 【Efficient Storage Solution】 - Use the large ring magnets to organize and secure metal tools and other items, saving space and reducing clutter in your workspace.Round Ceramic magnets made by molding process have more rounded edges than those cut by cutting, and are made of rare earth permanent magnetic materials mixed with other metal materials. - 【Multiple Uses】These Big round magnets are widely used as classroom magnets, refrigerator magnets, industrial magnets, whiteboard magnets, motors and generators, sensors, speaker magnets, scientific magnets and DIY magnets.With the ability to meet the needs of all your magnetic projects, the magnetic ring will be a reliable tool in your daily life. - 【ECONOMICAL】Compared with NdFeB magnets, this large ring ferrite magnets have no advantages in magnetic force, but magnets of the same size (compared with NdFeB magnets) sell for only a small part. The round circle magnets with hole will be packed by original AOMAG trademark package. Powered by AOMAG Only! ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | AOMAG | | Part number | 7-303578JFA | | Item Weight | 508 g | | Product Dimensions | 10 x 6 x 2 cm; 508.02 g | | Item model number | 7-303578JFA | | Size | D100xd60x20mm | | Colour | Black | | Material | Ferrite, Neodymium | | Shape | Round | | Item thickness | 20 Millimetres | | Item Package Quantity | 1 | | Number of Pieces | 1 | | Batteries included? | No | | Batteries Required? | No | ## Product Details - **Material:** Ferrite, Neodymium - **Brand:** AOMAG - **Product dimensions:** 10L x 6W x 2Th centimetres - **Colour:** Black - **Shape:** Round ## Images ![Ferrite Ring Magnet, 100mm Dia, Big Round Circle Ceramic Magnets with Hole, Strong Large Donut Circular Magnetic Ring Heavy Duty for DIY, Crafts Speaker Creative Hobbies Science - Image 1](https://m.media-amazon.com/images/I/51J6vGD7njL.jpg) ## Questions & Answers **Q: How strong is this?** A: Mine is on generator exhaust holding exhaust gas tube no problems so far. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Magnetic *by T***N on 26 May 2024* Strong magnetic ## Frequently Bought Together - Ferrite Ring Magnet, 4In Dia, Big Round Circle Ceramic Magnets with Hole, Strong Large Donut Circular Magnetic Ring Heavy Duty for DIY, Crafts Speaker Creative Hobbies Science - Legrand Pass & Seymour S752WCC10 660W 250V Medium Base A26 Lampholder, Cleat Sockets, Front Wire, White (1 Count) - Hillman 25' 18 Gauge Bare Copper Wire --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/109465308-ferrite-ring-magnet-100mm-dia-big-round-circle-ceramic-magnets](https://www.desertcart.pt/products/109465308-ferrite-ring-magnet-100mm-dia-big-round-circle-ceramic-magnets) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-07*