NingBo BeiLun Meank Magnetics Co.,Ltd.
En

Neodymium Cylinder Magnets 8x30mm

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.

Characteristics Of N45 Neodymium Cylinder Magnets 8x30mm

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.


As a leading neodymium cylinder magnets factory in China, BeiLun Meank also provides quality custom neodymium magnets services. Feel free to send us your requests.

Specification Of 8x30mm Neodymium Cylinder Magnets N45


Category

Rod/Cylinder Magnets

Material&Grade

Sintered NdFeB,N45

Diameter

8mm

Height

30mm

Magnetized

Axially(poles on two ends)

Coating

NiCuNi

Strength

approx.3.2kg

Weight(1 piece)

11.2 g

Tolerance

+/-0.05mm

Max.Working Temp.

80℃

Central Surface Field

6500Gauss


Get In Touch With BeiLun Meank
Get In Touch With BeiLun Meank

lf you have any questions, you can contact us to help you solve them.

Jul 13
2026
Jul 13
2026
Neodymium ball magnets are among the strongest permanent magnets available, offering exceptional magnetic strength in a compact spherical design. They are widely used in electronics, medical devices, ...
Why Dimensional Accuracy Matters for Neodymium Ball Magnets
Jul 13
2026
Jul 13
2026
Metal contamination is an often-overlooked threat in cattle operations. Nails, pieces of fencing wire, staples, baling wire, and other ferrous metal objects can accidentally mix with feed, hay, silage...
What Are the Signs a Cow Needs a Ruminal Magnet?