These small round disc magnets 4x3mm are made of rare earth magnetic material,which featured as super strength,their BH(max) varies from 33MGOe to 53MGOe.The central surface field is up to 6100Gs. Ni-Cu-Ni is the most common coating which makes the 4x3mm neodymium disc magnets have silver color.For different working temperature demands, the series of M,H,SH,UH,EH,AH are available.
Category | Disc Magnet |
Material | Sintered NdFeB, N52 |
Dimension | D4 x 3mm |
Magnetizing Direction | Axially(poles on flat ends) |
Coating | Nickel (Ni-Cu-Ni) |
Strength(magnet to steel plate) | approx. 1.25 lb |
Weight(1 piece) | 0.28 g |
Tolerance | +/-0.05mm |
Max.Working Temp. | 80℃ |
Central Surface Field | 6100Gauss |
Magnetic Force: the strongest 4x3mm magnet
Magnetization Direction: axially magnetized
Strength Available: 33-53 MGOe
Coatings Available: Nickel, Zinc,Gold, Ag,Epoxy,Teflon,Parylene
Operating Temperature: N-80°C, M-100°C, H-120°C, SH-150°C, UH-180°C, EH-200°C, AH-230°C
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