4 x 4mm Diametric
4mm x 4mm Diametrically Magnetized Disc Magnet Neodymium Round Magnets N35 Rare Earth Radial Magnets
$4.75 – $26.75
| Material | NdFeB, Grade N35 |
| Shape | Disc / Cylinder |
| Diameter | 4 mm |
| Height | 4 mm |
| Tolerance | +/- 0.05 mm |
| Coating | Nickel-plated (Ni-cu-Ni) |
| Magnetisation | Diametrically Magnetized |
| Strength | approx. 560g |
| Max. working temperature | 176°F (80°C) |
| Weight(1 piece) | 0.4 g |
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4mm dia x 4mm thick Diametrically Magnetized Neodymium Disc Magnets N35 Rare Earth Radial Magnets for Sale Round Magnet Amazon for Crafts Magnets 4x4mm
- 4 mm diameter x 4 mm thickness
- Each magnet’s north and south pole are on opposite 4mm thickness faces
- Each magnet can support a steel weight of up to 0.56kg vertically from the magnetic face when in flush contact with a mild steel surface
- Excellent resistance to demagnetisation
- Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth and clean finish
| Technical information | |
|---|---|
| Model ID | D-04-04-DN |
| Material | NdFeB, Grade N35 |
| Shape | Rod / Cylinder |
| Type | Permanent |
| Composite | Neodymium Magnet |
| Diameter | 4 mm |
| Height | 4 mm |
| Tolerance | +/- 0.05 mm |
| Coating | Nickel-plated (Ni-Cu-Ni) |
| Magnetisation | Diametrically Magnetized |
| strength | approx. 560g |
| Max. working temperature | 176°F (80°C) |
| Curie temperature | 310 °C |
| weight(1 piece) | 0.4 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 | 35MGOe |
These small diametrically magnetized cylinders are great for use with Hall Effect Sensors. The poles are located on the sides of the cylinders, so they will attract each other as shown in the bottom picture.
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