Spinning Flare Nut

Reduces assembly time, parts and lost hardware

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 SFN spinning flare nuts newly introduced by PEM are designed to rotate freely when permanently captivated in thin metal sheets. This allows quick attachment to mating hardware and reduces the need for loose fasteners such as flange nuts.  When paired with a self-clinching stud or other fixed externally threaded hardware, all loose hardware can be eliminated from an application to help streamline assembly time and decrease production costs.
 PEM Type SFN one-piece flanged steel hex nuts install easily in steel, stainless steel or aluminium sheets of any hardness and as thin as 1mm. Upon installation, the nut becomes permanently captive and will spin freely in the sheet to accommodate mating hardware for final component attachment.
The fastener is installed by inserting it into a properly sized, pre-punched, embossed mounting hole and then applying sufficient squeezing force to flare the shank.  When installed, the part will appear identical to a standard flanged hex nut above the sheet and will remain flush on the other side.
The spinning flare nuts are available in thread sizes M5 through M8.
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