Machine Design
Self-Clinching Nuts Leave Minimal Footprint on Ultra-Thin Stainless Steel

Self-Clinching Nuts Leave Minimal Footprint on Ultra-Thin Stainless Steel

SMPP self-clinching nuts serve especially well in stainless-steel assemblies that have limited space for hardware attachments.

The new SMPP self-clinching nuts from PennEngineering, which install permanently in ultra-thin stainless-steel sheets (as thin as 0.025 in.), are well-suited for stainless-steel assemblies that have limited space for attachment hardware. They can also be installed close to the edge of sheets. Once installed, the nuts maintain a low profile (0.065 in.) and a small diameter (down to 0.22 in.).

The nuts are constructed from age-hardened A286 stainless steel and can be used in stainless-steel sheets with hardness of HRB 90 / HB 192 or less. Thread sizes accommodate mating hardware ranging from #2-56 through #6-32, and M2.5 through M3.5.

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