N45 D20xd4.2x5mm Rare Earth Strong Neodymium Ring Magnet With Nickel Coated
Our Neo ring magnets are made of high-quality neodymium and offer excellent strength and durability. Perfect for applications requiring a center hole, these magnets are commonly used in medical and scientific research, automotive, and manufacturing industries. Choose from a variety of sizes and strengths to meet your specific needs.
| Product | Neodymium Ring Magnet |
| Category | Ring Magnet |
| Material | NdFeB-N45 |
| Dimension | OD20 x ID4.2 x 5mm ( OD20 x ID4.2 x T5mm) |
| Available Grade | N35, N38 ,N40,N42, N45, N48, N50, N52 |
| Surface Treatment | Nickel-Copper-Nickel (three layers coating) |
| Magnetized | Axially |
| Coating | NiCuNi |
| Strength | approx. 7.2 kg |
| Weight(1 piece) | 11 g |
| Tolerance | +/-0.05mm |
| Max.Working Temp. | 80℃ |
The D20 x d4.2 x 5mm strong neodymium ring magnets are axially magnetized ,strongest point is on the flat surface.
That is strong magnet ring,although the size is small,it has about 7.2kgs strength.
All NdFeB grades are suite for D20 x d4.2 x 5mm rare earth neodymium ring magnets.
Standard tolerance +/-0.05mm is usually controlled on D20 x d4.2 x 5mm rare earth strong neodymium ring magnets.
D20x5mm powerful neodymium disc magnets with 4.2mm hole
Strong ring shaped neodymium magnets with nickel coated D20xd4.2x5mm
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