4mm x 25mm thick Powerful Neodymium Rod Magnets N35 Rare Earth Strong Cylinder Magnet Buy Bar Magnets Amazon Home Depot For Crafts Where to get neodymium magnets india
- 4mm diameter x 25mm thickness
- Each magnet’s north and south pole are on opposite 4mm diameter faces
- Each magnet can support a steel weight of up to 0.5kg vertically from the magnetic face when in flush contact with a mild steel surface
- Excellent resistance to demagnetisation
- Coated with three layers of Zinc to reduce corrosion and provide a smooth and clean finish
| Technical information | |
|---|---|
| Model ID | D-04-25-ZN |
| Material | NdFeB, Grade N35 |
| Shape | Cylinder / Rod |
| Type | Permanent |
| Composite | Neodymium Magnet |
| Diameter | 4 mm |
| Height | 25 mm |
| Tolerance | +/- 0.05 mm |
| Coating | ZN-plated (Zinc) |
| Magnetisation | Axial (Poles on Flat Ends) |
| strength | aprox. 500g |
| Max. working temperature | 176°F (80°C) |
| Curie temperature | 310 °C |
| weight(1 piece) | 2.5 g |
| Residual magnetism Br | 13700-14200 G, 1.37-1.42 T |
| Coercive field strength bHc | 10.8-12.5 kOe, 860-995 kA/m |
| Coercive field strength iHc | ≥12 kOe, ≥955 kA/m |
| Energy product (BxH)max | 42MGOe |
Despite its tiny size, this disc magnet with a 4 mm diameter and a height of 25 mm still has an adhesive force of 500 g.







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