Nuts for T-slots. T-slot nuts are highly specialized fasteners designed for the precise positioning of components in industrial applications. These elements are made from premium materials to ensure a reliable and stable connection. A T-slot nut is used with a threaded clamp to position and secure pieces being worked on in a workshop. The T-slot nut slides along a T-slot track, which is table for a router, drill press, or bandsaw. T-slot nuts are also used with T-slot structural framing to build a variety of industrial structures and machines.