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PENN Engineering
Group: PennEngineering
Catalog excerpts
PEM® floating self-clinching fasteners are available with or without locking threads. ALA™ FLOATING SELF-CLINCHING FASTENERS
Open the catalog to page 1
• Provide load-bearing threads in thin sheets • Permit a total of .030"/0.76 mm adjustment for mating hole misalignment. • Sheet remains flush on one side, and the fastener is permanently locked in place. • Threads of the floating nut extend into the retainer shank for extra strength and support in assembly. AC™/AS™/LAC™/LAS™ floating Nuts • Designed for clinching into steel or aluminum panels and sheets. • Available with (LAC/LAS) or without (AC/AS) locking threads. A4™/LA4™ floating nuts • Provide prevailing torque locking threads with performance equivalent to applicable NASM25027...
Open the catalog to page 2
FLOATING SELF-CLINCHING FASTENERS NON-LOCKING PEM® Double Squares are a registered trademark. Threaded Top Elliptically Formed Float – .015”/0.38 mm minimum, in all directions from center, .030”/0.76 mm total. Clinching profile may vary. Clinching profile may vary. (1) This shank code is not available for A4 and LA4 nuts. MATERIAL AND FINISH SPECIFICATIONS Fastener Materials Standard Finishes For Use In Non-locking Self-locking Threads Sheet Hardness Non-locking Self-locking Retainer Nut Retainer & Nut Retainer & Nut Retainer Retainer Nut (2) Internal, Internal, UNJ Class 3B Hardened Zinc...
Open the catalog to page 3
INSTALLATION 1. Prepare properly sized mounting hole in sheet. Do not perform any secondary operations such as deburring. 2. Place fastener into the anvil hole and place the mounting hole (preferably the punch side) over the shank of the fastener. 3. With installation punch and anvil surfaces parallel, apply sufficient squeezing force until anvil contacts the mounting sheet. Drawing shows suggested tooling for applying these forces. INSTALLATION NOTES • For best results we recommend using a PEMSERTER® press for installation of PEM self-clinching fasteners. Please check our website for more...
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Product Guide12 Pages