Magnet quality

Holding force

Diameter (D)

Pot magnets with cylinder hole

Compact magnet systems with a steel shell and a cylinder hole for easy mounting. These pot magnets are screwable at a high torque while the magnet remains unloaded.

Thanks to the shell of these magnet systems, the magnetic field strength increases and the pot magnets are more resistant to corrosion or chemicals. Pot magnets have a single attracting surface. This precludes dispersion of the magnetic field.


Pot magnets with cylinder hole are available in various sizes and grades such as neodymium and ferrite.

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  • Available in various qualities
  • Available with extra strong magnet
  • High torque screwable
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Ferrite Cost effective

3 variants
Product variant

Ferrite 50 mm

€ 3,61

PM-HB-F-SG-D50x10xd8,5/22
Article number GM16604
Stock 13
Holding force 180 N
Height (H) 10 mm
Material housing Galvanized steel
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Product variant

Ferrite 63 mm

€ 6,84

PM-HB-F-SG-D63x14xd6.5/24
Article number GM16605
Stock 49
Holding force 290 N
Height (H) 14 mm
Material housing Galvanized steel
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Product variant

Ferrite 80 mm

€ 12,05

PM-HB-F-SG-D80x18xd6.4/11.5
Article number GM16606
Stock 132
Holding force 540 N
Height (H) 18 mm
Material housing Galvanized steel
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Good magnetic properties, affordably priced

Ferrite pot magnets - or ceramic pot magnets - are fitted with a steel pot that provides shielding of the magnetic field. Ferrite pot magnets require only a minimal installation height. This provides constructive advantages.

Ferrite pot magnet flat with cylinder hole | Goudsmit Magnetics

When does loss of magnetic strength occur?

Ferrite pot magnets have an operating temperature of up to 200 °C. When heated to this temperature, the magnet loses 30 to 40% of its magnetic force. This is not permanent; the force is restored when the magnet returns to the normal ambient temperature.

External magnetic fields may also cause loss of magnetic force. An air gap or non-magnetic materials located between the magnet and workpiece reduce the tensile force.

Ferrite pot magnet flat with cylinder hole | Goudsmit Magnetics

Corrosion resistant and screwable at a high torque

Ferrite pot magnets do not corrode and are very suitable for outdoor use.

The pot magnets with cylinder hole are suitable for extra tightening. There is no force on the pot magnet itself. This is not a part of the screw connection. Mounting is easy with a cylinder head bolt.

Ferrite pot magnet flat with cylinder hole | Goudsmit Magnetics

Ferrite (continued) Cost effective

3 variants
Product variant

Ferrite 83 mm

€ 14,06

PM-HB-F-SG-D83x18xd10.5/32
Article number GM16608
Stock 0
Holding force 600 N
Height (H) 18 mm
Material housing Galvanized steel
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Product variant

Ferrite 100 mm

€ 30,97

PM-HB-F-SG-D100x22xd10.5/34
Article number GM16609
Stock 42
Holding force 680 N
Height (H) 22 mm
Material housing Galvanized steel
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Product variant

Ferrite 57 mm

€ 4,71

PM-HB-F-SG-D57x11xd6.5/24
Article number GM16610
Stock 100
Holding force 230 N
Height (H) 11 mm
Material housing Galvanized steel
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Samarium cobalt (SmCo) High magnetic force at high operating temperature

2 variants
Product variant

Samarium-Cobalt (SmCo) 32 mm

€ 15,35

PM-HB-S-SS-D32x7xd5.5/11
Article number GM17113
Stock 75
Holding force 200 N
Height (H) 7 mm
Material housing Stainless steel
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Product variant

Samarium-Cobalt (SmCo) 40 mm

Price on request

PM-HB-S-SS-D40x8xd5.5/10.5
Article number GM17114
Stock 0
Holding force 420 N
Height (H) 8 mm
Material housing Stainless steel
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