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Self-clinching nuts and studs for hard sheet materials

21 December 2014

New PEM self-clinching nuts and studs introduced for permanent installation into especially hard sheet materials deliver design and assembly benefits for automotive component attachment applications.

Both types (SH hard panel nuts and HFLH hard panel studs) are manufactured from hardened alloy steel to provide greater thread strength. They enable close-to-edge mounting without risking panel buckling, and resolve environmental and recycling concerns typically associated with alternative thin-sheet fastening devices.

In addition, these fasteners can promote lower installed cost by eliminating any need for embossing operations, reducing the amount of required hardware in an assembly, and installing automatically using a standard press or in-die technology.

Type SH hard panel nuts feature a small outer diameter and lightweight design. They can install reliably into high-strength steel sheets up to 975MPa and in panels as hard as HRC 30/HB 277 or less on the Rockwell C and Brinell scales, respectively.

Host panels can be as thin as 1.4mm and, upon fastener installation, the reverse side of the panel remains flush to enhance cosmetics.  Nut thread sizes range from M6 through M10.

Type HFLH hard panel studs can install into high-strength steel sheets up to 700MPa and in panels as hard as HRB 96/HB 216 or less on the Rockwell B and Brinell scales, respectively. Host panels can be as thin as 1mm. Stud thread sizes range from M5 though M8.

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