01 July 2010
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Self clinch fastener suits compact electronics

A micro self-clinching standoff fastener introduced by PEM is claimed ideal for spacing or stacking applications in compact electronic assemblies.

These micro standoffs can serve as practical, cost-effective, and permanently secure solutions enabling quicker assembly of devices ranging from hand-held consumer electronics to medical equipment, among others.

PEM Type MSO4 are RoHS-compliant and are manufactured from 400 Series stainless steel and are engineered with threads as small as M1.0 and in lengths as short as 2mm. They can be installed into sheet metal – including 300 Series stainless steel – as thin as 0.4mm.

They clinch permanently into place by simply pressing them into a properly sized mounting hole using a punch and anvil until the fastener's head is flush with the sheet. Once installed, they become a permanent part of an assembly, will not loosen or fall out, and provide strong and reusable load-bearing threads. Installing them automatically can further reduce costs by accelerating production and eliminating any need to handle the small parts.

Paul Gay


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