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New PEM SpotFast Fasteners

By Design World Staff | October 24, 2008



New PEM‚® SpotFast‚® fasteners paired with a specially designed wave washer allow reliable attachment of two thin metal parts in applications additionally requiring repeatable pivoting or hinging action. These self-clinching fasteners (Type SFW) permanently join the two metal components to create a flush-attachment connection without protrusions on either side. The compatible wave washer delivers consistent torsion to promote repeatable hinging action while attachment remains secure.

PEM fastener.jpg


The steel fasteners have zinc plating with integral lubricant to promote smoother operation. They can join dissimilar metals or sheets with different thicknesses and install in steel or aluminum sheets as thin as .031‚”/0.8mm with hardness of 80 or less on the Rockwell ‚“B‚” scale.


Installation is easy by preparing a properly sized hole in both panels, installing the fastener in one panel, placing the wave washer over the installed fastener, and then situating the second panel over the fastener. Sufficient squeezing force permanently installs the fastener smooth with the top sheet and flush or sub-flush with the bottom sheet. The wave washer contributes consistent force for reliable rotation of the top sheet.


Unlike rivets that ‚“bulb‚” during installation, the fastener‚’s flush profile upon installation creates unobtrusive attachment requiring minimal space. A smooth surface is retained for finishing and fasteners can be concealed with paints or powder coatings for cosmetics.


Type SFW fasteners with wave washers are RoHS-compliant and available in various diameters and sizes.


www.pemnet.com


::Design World::

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  • Home
  • Technologies
    • ELECTRONICS • ELECTRICAL
    • Fastening • joining
    • FLUID POWER
    • LINEAR MOTION
    • MOTION CONTROL
    • SENSORS
    • TEST & MEASUREMENT
    • Factory automation
    • Warehouse automation
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