This is a neodymium rectangular magnet with a countersunk hole in the center, length 18mm, width 10mm, thickness 4mm, magnetized thickness, this kind of magnet is very common, many of our customers usually ask us to order this kind of magnet for screw fixation, countersunk head magnets are widely used, widely used in home doors and Windows, hardware, outdoor, lamps, mechanical equipment and other industries.
Like this rectangular countersunk magnet can have 1 countersunk hole or 2 screw holes, depending on your needs.
Schematic diagram of the size of a rectangular neodymium magnet with one counterbore in the center;
How to use the countersunk magnet?
There is a screw hole in the middle of the magnet, which is usually used with screws. It is fixed on a non-magnetic surface because in many cases the customer may need to use two magnets together, which requires the use of the principle that magnets repel each other and attract each other.
Introduction of relevant articles;
Rectangular countersunk magnets basic size schematic drawing