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These nuts are squeezed into round, punched or drilled holes in sheet metal between a parallel punch and flat anvil. The nut is flush or less on the back side. No special hole preparation or tooling ...

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 ...