D18x4mm Neodymium Magnets N45 - Strong round magnets, 18mm in diameter and 4mm thick. Ideal for various industrial and crafting uses.
Manufacture Capacity and Product Details
Composite: | Nd(Dy, Tb), Fe, B, Pr, Al, Cu etc. | Chemical Formula: | Nd2Fe14B |
Lead Time: | 7-25 days depending on quantity | Tolerance: | ±0.05mm |
Grade: | N, M, H, SH, UH, EH, AH | Density: | 7.4-7.65 g/cm³ |
Surface Treatment: | Zn, Ni, NiCuNi, Cr, Epoxy, Ag, Au etc. | Default Fillet: | r=0.2-0.5mm |
Working Temperature: | 80℃-240℃ depending on different grades | Certifications: | RoHS, SGS, REACH, MSDS |
MOQ: | ≥1 piece | Country of Origin: | China |
Customization: | Shape, Package, Logo | Brand Name: | Uwandy Magnets |
Payment & Service
Payment | amount<$500 | 100% in advance | PayPal, T/T, WU |
$500<amount<$3000 | 100% in advance | T/T, WU, D/P | |
$3000<amount<$30000 | 50% deposit in advance, balance before shipment | T/T, WU, D/P | |
$30000<amount | 30% deposit in advance, 50% before shipment, 20% balance to be negotiated | T/T, D/P, L/C | |
More better payment tems can be offered for regular customers | |||
Service | 1. We provide CAD drawing service for your order | ||
2. We can offer suggestions on grade selection or better solutions for your project | |||
3. We can offer free samples(value less than $50) to regular customers |
Safety Warning
Neodymium magnets are brittle, super strong, easily shattered and broken, Here are some tips that will help when working with neodymium magnets: |
1. Wear eye protection and gloves when working with magnets if necessary. |
2. Slide the magnets rather than pulling off the stack. |
3. Keep away magnets from kids in case accident happens. |
4. Keep away magnets from objects that might cause damage like smartphone, GPS, pacemaker or other electronic devices. |
5. Do not put magnets in high temperature environment, magnets will demagnetize while they are over heated. |
6. Magnets can rust and get scratched because magnets contain iron and mostly are nickel plated. |
Packing & Shipping
General Packing | 1.Clear plastic bag→Small white box→Foam padding carton(36x24x16cm) |
2. We will insert at least 6 pieces of steel sheets to block magnetic field for air transport | |
Shipping Method | Express, Air, Sea, Train, Truckload |
Shipment Terms | EXW, FCA, FAS, FOB, CFR, CIF, CPT, CIP, DAT, DAP, DDP etc. |
Product Details
1. Shape | 2. Coating/Plating | 3. Diameter | 4. Thickness | 5. Tolerance | 6. Weight |
Disc/Round/Circular | NiCuNi (Nickel-Copper-Nickel) | 25 mm/0.984 inch | 4 mm/0.157 inch | ±0.05 mm/±0.002 inch | 14.92 g/0.032899 lbs |
1. Grade | 2. Br | 3. Hcb | 4. Hcj | 5. (BH)Max | 6. Operating Temperature |
N42 | 13,000-13,300 Gauss | 11.0-11.6 kOe | ≥12 kOe | 40-42 MGOe | 80℃/176℉ |
Introducing our unparalleled Strong Disc Magnets – the epitome of power and reliability! With an impressive pulling force of approximately 7.17 kg/15.81 lbs, these magnets boast unparalleled strength that will meet and exceed your expectations. Crafted with precision and built to last, these magnets are engineered to deliver exceptional performance in various applications. Each magnet weighs around 14.92 g/0.032899 lbs, ensuring a perfect balance between size and potency. The theoretical surface minimum magnetic strength of 1,683 Gauss guarantees outstanding magnetic performance in any setting. From industrial applications to DIY projects, these disc magnets are the ultimate choice for those seeking robust and versatile magnetic solutions. Elevate your magnetic experience with these Strong Disc Magnets and unlock a world of possibilities!
1. Approx. Pull Force | 7.17 kg/15.81 lbs |
2. Approx. Min. Surface Field | 1,683 Gauss |
3. Approx. Max. Surface Field | 2,260 Gauss |
4. Magnetization Direction | Axial |
Please note that this is only an estimate, and the actual surface field strength may vary depending on a variety of factors.
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Neodymium magnet or NdFeB, is currently the magnetic material with the highest energy product. Its chemical formula is Nd2Fe14B. Neodymium can be replaced with lanthanide...
powerful neodymium magnet!
Strong disc magnets!