Neodymium countersunk pot magnets provide an excellent clamping force as they are made from a neodymium magnet encased in a steel shell which concentrates the magnetism solely on the magnetic face. Our 16mm diameter countersunk pot magnets can hold an impressive 5.5kg in a vertical position or 1.1kg in a shear position. You can use this magnets with our 16mm steel discs to create a solid magnetic door latch for keeping doors open or closed.
