External diameter
25 [mm]
Aperture diameter for head of a screw
9 [mm]
Internal diameter
4,5 [mm]
Height
7 [mm]
Magnet type
Neodymium
Maximal hoisting capacity
21 [kg]
Coating
Nickel-plated (NiCuNi)
Maximum working temperature
≤ 80 [°C]
With a central hole for the screw head
yes
Weight
24,2 [g]
Performance parameters
The gap between the magnet and the iron plate significantly reduces the force needed to detach the magnet from the plate.
This magnet in housing is circular, cylindrical, shaped like a cylinder or disc.
Holding magnets are simple magnetic circuits composited of a magnet and a steel housing.
The magnet is glued into a steel housing, so it is more protected against impacts. There is a hole in the housing for the countersunk screw head used to attach the magnet. Due to the casing, the magnet is single-sided. It has been protected against corrosion by nickel plating. The maximum operating temperature is no more than 80 degrees Celsius. Neodymium magnets stick to metal surface.
You can attached magnet to surfaces made of ferromagnetic materials.
UM25X9-4,5X7N
2091 Items
Specific References