30x5/4.5 mm Annular N38 Neodymium Magnet - for Flat Screw

Magnet parameters:

outer diameter: 30mm (± 0.1mm)
inner diameter: 8.5mm (± 0.1mm)
chamfer diameter / angle: 4.5 mm (± 0.1 mm) / 90°
height: 5 mm (± 0.1 mm)
magnet weight: ~ 20 g
magnetization direction: along the dimension 5 mm (height)
magnetic material N38
maximum working temperature: 80 ° C.
coating: Ni + Cu + Ni (Not to be used in water)
Maximum capacity: ~ 10.7 kg

Magnetic properties of material N38:

remanence induction Br 1.22 - 1.25 [T]; 12.2-12.5 [kGs]
HcB coercivity: ≥899 [kA / m]; ≥11.3 [kOe]
HcJ coercivity: ≥955 [kA / m]; ≥12 [kOe]
magnetic energy density (BH) max .: 287-310 [kJ / m3]; 36-39 [MGOe]

Note: As the maximum load capacity of a magnet is influenced by many factors, we recommend checking the magnet in specific conditions.