Fasteners offer corrosion resistance
A
Penn Engineering product story
Edited by the Engineeringtalk editorial team
Aug 16, 2007
PEM SpotFast stainless steel self-clinching fasteners permanently join two metal sheets to create a flush-attachment connection without protrusions on either side.
PEM SpotFast stainless steel self-clinching fasteners suit flush-mount attachment applications where corrosion resistance may be required.
These fasteners permanently join two metal sheets to create a flush-attachment connection without protrusions on either side and can serve as practical alternatives for rivets or welding.
Their rotational capability extends application potential by enabling a single fastener to act as a hardened pivot point.
The fasteners (Type SFP) are made from precipitation hardened stainless steel and can be installed in stainless steel sheets as thin as 0.030/0.8mm with hardness of 88 or less on the Rockwell B scale.
The fasteners install smooth with the top sheet and flush, sub-flush, or blind with the bottom sheet.
They can attach two metal sheets too thin to weld; fasten sheets of unequal thicknesses; or join dissimilar metals unable to be welded.
When used as a pivot point, the top sheet is effectively captivated between the head of the fastener and the lower (nonrotating) sheet.
The top sheet then is able to rotate freely.
Unlike rivets that bulb during installation, the flush profile upon their installation allows for unobtrusive attachment requiring minimal space.
A smooth surface is retained for finishing and fasteners can be concealed easily with paints or powder coatings.
Stainless SpotFast fasteners are RoHS-compliant and available in various head diameters and sizes.
CAD drawings (in most formats) are available free for downloading.
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