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Bolts suit thin metal

A Penn Engineering product story
Edited by the Engineeringtalk editorial team Oct 15, 2007

PennEngineering PEM spinning clinch bolts allow quicker attachment of mating hardware by eliminating the need for loose fasteners such as screws and retaining clips or washers.

PennEngineering PEM spinning clinch bolts for thin metal panels install securely using a controlled clinching action to captivate the screw while allowing it to spin freely in the sheet.

This enables quicker attachment of mating hardware by eliminating the need for loose fasteners such as screws and retaining clips or washers.

The one-piece steel fastener further offers an extremely low-cost alternative to expensive multi-component hardware assemblies.

The family of PEM spinning clinch bolts includes SCB fasteners with an unthreaded neck for axial float and SCBJ hardware with a jacking feature.

Both can permanently captivate into aluminium or steel sheets as thin as .040/0.8mm (and greater) and can satisfy close centreline-to-edge applications.

The fasteners install by simply pressing the bolt into a properly sized hole using a PEMSERTER or other standard press.

The squeezing force applied to the top of the screw head and the underside of the sheet material forces the shoulder of the screw into the sheet, displaces sheet material and causes it to fill the void under the head and shoulder of the screw.

This permanently captivates the fastener in the panel.

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