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.).
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