8x30mm is a standard size for cylindrical neodymium magnets, which can be found on the website of most magnet dealers. The magnetic force range on the iron plate is 5.62-8.35LB, which varies according to the grade. The strongest grade for 8x30mm neodymium rod magnets is N52. You can use an 8x30 neodymium cylinder (rod) magnet on a whiteboard, for DIY projection and fix the tissue box on the roof. The standard tolerance of cylinder neodymium rod magnets 8x30m is+/-0.05mm.
Remanence(Br): 8x30mm neodymium cylinder magnets N45 have remanence range of 13200-13800Gs.
Coercivity（Hcj）: N45 8x30mm rare earth cylinder neodymium magnets have coercivity up to 955+ KA/m.
Magnetic Energy Product(BHmax): 8x30mm cylindrical neodymium magnets N45 have BHmas of 43-46 MGOe .
Max.Working Temp.: 80 degrees Celsius is the max. working temperature for 8x30mm rare earth neodymium rod magnets N45.
Coating Available: All coatings are available on 8x30mm neodymium rod magnets.
Axially(poles on two ends)
Central Surface Field
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