Providing protection for nut threads 14 January 2016

PennEngineering® states that its PEM® self-clinching blind nuts permanently install into thin metal sheets – providing reliable and reusable metal threads for accepting mating screws and completing final component attachment in an assembly.

PEM® self-clinching blind nuts feature a blind closed-end design, which effectively creates a barrier to protect the nut’s threads against foreign matter and to prevent potential damage to internal components from mating screws.
 The carbon steel (Type B) and stainless steel (Type BS) nuts install quickly and permanently into aluminium or steel sheets as thin as 0.04 inches/1mm. The nut is inserted into a properly sized mounting hole in the metal sheet and then sufficient squeezing force is applied using a PEMSERTER® or any standard press until the nut’s flange contacts the mounting sheet. Upon installation, the nut becomes a permanent part of an assembly and throughout the process no secondary operations are required.

Standard thread sizes of PEM self-clinching blind nuts range from #4-40 through ¼-20/M3 – M6. Two different shank lengths for each thread size are available to accommodate minimum and thicker sheets.

Detailed specifications, animations, fastener drawings and models, and literature (Bulletin B) for these RoHS-compliant fasteners can be accessed online.

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Will Lowry Editor t: +44 (0) 1727 814 509

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Will joined Fastener + Fixing Magazine in 2007 and over the last 12 years has experienced every facet of the fastener sector - interviewing key figures within the industry and visiting leading companies and exhibitions around the globe.

Will manages the content strategy across all platforms and is the guardian for the high editorial standards that the Magazine is renowned.