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NdFeB Pot Cup Magnet with Screw Hole Feature
Part No. HSM-RBNB
Style NdFeB Pot / Cup Magnet
Size Customized Size
Shape Pot Flat Magnet with Screw Hole
Composite Neodymium Magnet
Delivery Time 25 working days
These pot magnets with screw holes feature threaded holes that enable users to fasten them on walls, wood boards, etc for holding tools. NdFeB(neodymium) magnet is used for the strong force.
By using a head screw, users can easily screw the pot magnet onto places where they want to hang, for example, tools, small iron parts etc. The openness of the countersunk can be changed to match the size of screw head.
POT magnets are available with either pole on the magnetic face so that they can be used as a pair to attract or repel. If you are using two magnets to attract you need to make sure the opposite poles are facing each other as identical poles will repel! This magnet in a steel pot has a countersunk borehole and can be fastened with a countersunk screw.
When does loss of magnetic strength occur?What does a neodymium pot magnet consist of?
These super-strong pot magnets are made of the alloy neodymium-iron-boron – (NdFeB). The shell – or pot – provides magnetic shielding. Goudsmit supplies neodymium pot magnets with a brass or steel shell. The holding surface is covered with a protective coating to prevent corrosion.
Neodymium pot magnets have a maximum operating temperature of up to 80 °C. When heated to this temperature, the magnet loses 15 to 20% of its magnetic force. This is not permanent; the force is restored when the magnet returns to the normal ambient temperature. Strong Magnetics Neodymium Countersunk Shallow Pot Magnets
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.
Tension on the magnet
For pot magnets with a cylinder hole, the magnet has a countersunk hole. Tighten with caution. Excessive tightening causes magnetic splinters or cracks in the magnet.