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Hefei Super Electronics Co., Ltd.
What Are You Looking For?
Each of the super strong neodymium magnet has a smooth surface, which can be easily removed without leaving scratches on your refrigerator or office board.
Color :
SilverSize :
D3 x 1 mmOrder(MOQ) :
200pcsSample :
FreeDensity :
7.5g/cm³Lead Time :
3-10daysPayment :
Paypal/ TT/Credit CardDurable Tiny 3x1mm Small Round Disc Neodymium Magnet
Product Description
Dimensions: 3 mm (diameter) x 1 mm (thickness)
Tolerances: ±0.05mm
Material: Neodymium (NdFeB)
Plating/Coating: Nickel
Magnetization Direction: Axial
Maximum Operating Temperature: 80 Degrees
Grade:
| Neodymium | Br | Hcb | Hcj | (Bh)max | Tw | ||||
| Grade | mT | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe | ℃ |
| N35 | 1170-1220 | 11.7-12.2 | ＞868 | ＞10.9 | ＞955 | ＞12 | 263-287 | 33-36 | ＜80 |
| N38 | 1220-1250 | 12.2-12.5 | ＞899 | ＞11.3 | ＞955 | ＞12 | 287-310 | 38-39 | ＜80 |
| N40 | 1250-1280 | 12.5-12.8 | ＞907 | ＞11.4 | ＞955 | ＞12 | 302-326 | 38-41 | ＜80 |
| N42 | 1280-1320 | 12.8-13.2 | ＞915 | ＞11.5 | ＞955 | ＞12 | 318-342 | 40-43 | ＜80 |
| N48 | 1380-1420 | 13.8-14.2 | ＞923 | ＞11.6 | ＞955 | ＞12 | 366-390 | 46-49 | ＜80 |
| N50 | 1400-1450 | 14.0-14.5 | ＞796 | ＞10 | ＞876 | ＞11 | 382-406 | 48-49 | ＜80 |
| N52 | 1430-1480 | 14.3-14.8 | ＞796 | ＞10 | ＞876 | ＞11 | 398-422 | 50-53 | ＜80 |
Notes:
Manual measurement, please allow slight errors on size.
The color May exist a slight differ.
Product Features
This mini round disc magnet is surprisingly powerful despite its small size. Made from the strongest premium Neodymium Iron Boron (NdFeB) on the market, it's perfect for projects where space is extremely limited but reliable suction is still required.
The magnet's surface is coated with a durable triple nickel coating to prevent rust, corrosion, and wear. This ensures long-lasting durability even in slightly humid or harsh environments. The smooth silver finish also gives it a clean, professional look.
Each rare earth neodymium magnet is manufactured with high precision to ensure accurate dimensions and smooth edges. It is lightweight yet powerful, making it easy to integrate into small electronic devices, sensors, home and DIY projects. This RoHS-compliant magnet is safe for a variety of applications, making it a reliable choice for industrial and creative applications.
Support Customization
Hefei Super Electronics Co., Ltd. is a professional supplier of high quality NdFeB magnets, known for their strong magnetic force, durability, and wide application range. We offer various shapes and sizes to meet different industry needs, from electronics to packaging.
Customization Options:
Size & Shape: Made to your exact specifications
Coatings: Nickel, epoxy, zinc, gold, or other finishes
Magnetization Direction: Axial, diametrical, radial, or custom
Packaging: Retail, bulk, or industrial packaging available
Packing&Shipping
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