New
PEM®
micro self-clinching standoff fasteners feature hardware 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 handheld consumer
electronics to medical equipment, among others," says Jay McKenna, global
product manager, New Products at PennEngineering.
PEM
Type MSO4™ micro self-clinching standoffs are manufactured from 400 Series
stainless steel and are engineered with threads as small as M1.0/#00 and in
lengths as short as 2 mm (.080 inch). They can be installed into sheet metal
(including 300 series stainless steel) as thin as 0.4 mm (.016 inch) with
maximum hardness up to HRB 88 on the Rockwell "B" scale.
The micro standoffs clinch permanently into place by pressing
them into a properly sized mounting hole using a punch and anvil until the
fastener's head is flush with the sheet. Upon installation, 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.
The
MSO4 provides a new solution for the assembly of extremely small electronic
packaging. Previously, weld or loose fasteners were the only method available
to provide threaded fasteners in such small assemblies. This new clinch
standoff offers significant improvements and cost savings versus welded
standoffs.
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