Rectangular neodymium magnets offer outstanding performance. We often supply basic geometric shapes in various thicknesses and premium grades ranging from N30 to N55. The common coating option is a triple-coated (Ni-Cu-Ni) shiny nickel finish for optimal protection against corrosion.
Most block magnets have their north and south pole on the two largest areas. The few exceptions, which are magnetized in longitudinal direction.
These magnets can be fixed in place using adhesive or can be pushed into slots or grooves in wood or plastic. Many new packaging designs use neodymium magnets cleverly trapped behind laminations of cardboard to provide invisible closing mechanisms for folders, gift boxes, name badges and even greetings cards that stick to your refrigerator! Neodymium magnets attract each other with almost twice the force that they use to attract steel objects.