Cadac broach nut is a-type fasteners designed for use on printed circuit boards and on most brittle or hard materials, such as, glass laminates, epoxy or resin with paper, nylon, or canvas bases. They are also used on materials too thin or unsuitable for threading, such as acrylic and polycarbonate panels.
designed with a knurled shank that can be pressed into a drilled hole.
The shank grips the board with an interference fit by broaching its way into the panel as it is squeezed into the holes.
broach nut fasteners are designed for unplanted through-holes. When installed in plated through-holes, a hole tolerance of +.005 – .001 in. (+.13 – .03 mm) should be used.
When used in plated through-holes, performance will be reduced, and plating may be damaged by knurl.