Engineering:Panel nut

From HandWiki

A panel nut is very thin nut with a relatively large hole commonly used to mount threaded electrical switches. These are often used where light duty precision fasteners are needed. They have width close to the diameter of the fastener they secure. These usually have low thread count. They are of two types hexagonal panel nut and knurled round panel nut. Applications : Panel nuts are used in potentiometer control, light weight lock nut, switch hardware. Material :Brass, stainless steel, aluminium are the materials commonly used for this nut. Panel Nut Wrench: It is a double ended tube socket type tool for removing nuts.