B-Series----Pot Magnets With Cylindrical Boreholes
These magnets are sunk in a steel pot can be fastened with a screw.
These magnets are sunk in a steel pot can be fastened with a screw.
These magnets are sunk in a steel pot and have a hook.
Vector Magnets' neodymium magnets are sunk in a steel pot and have a centered borehole and countersink.