PennEngineering

PEM self-clinching SH nuts and HFLH studs from PennEngineering successfully install in high-strength thin steel sheets to provide permanent threads for mating hardware in automotive component attachment applications. These hard panel nuts and studs manufactured from hardened alloy steel ultimately exhibit stronger thread strength compared with conventional fasteners. The fasteners additionally eliminate the environmental-related issues…

SI inserts permanently install in plastic assemblies to provide durable and reusable metal threads for mating hardware and allow for repeated disassembly and re-attachment whenever required. By promoting quick and easy access to an assembly, SI inserts offer highly practical joining solutions in contrast to fixed and unyielding methods, such as adhesives or rivets. Repeated…

PEM SFN spinning flare nuts from PennEngineering become permanently captivated upon installation in thin metal sheets and, when paired with a self-clinching stud or other fixed externally threaded hardware, can eliminate all loose fasteners (including flange nuts) in attachment applications. These one-piece, flanged hex nuts additionally will spin freely in a sheet enabling quick attachment…

ATLAS SpinTite blind threaded inserts from PennEngineering provide strong, permanent, and reusable threads in thin sheet materials where only one side is accessible for hardware installation. Installation is performed from the accessible “front” side using spin-spin tooling technology. The inserts then become permanently mounted on the “back” side to accept a mating screw for final…

PEM TSO4 self-clinching threaded standoffs from PennEngineering offer reliable fastener solutions to securely stack or space components in ultra-thin stainless steel assemblies. These hardened stainless steel fasteners clinch into stainless sheets as thin as 0.025 in. / 0.63 mm and become permanent parts of an assembly. The standoffs ultimately will reduce the amount of required…

Mating screw applications that require secure attachments can rely on self-clinching locknuts, which self-lock threads to reduce loosening and can be removed repeatedly without affecting performance. By Michael J. Rossi, Marketing Services Supervisor, PennEngineering By all measures, the hardware specified to attach components is expected to perform reliably in service. But sometimes application-related factors —…

PEMHEX® self-clinching prevailing torque locknuts from PennEngineering® integrate a trademarked blue nylon hexagonal insert designed to prevent mating screws from loosening in service due to vibration, thermal cycling, or other application-related factors.  The reusable locking element provides the necessary torque resistance to securely grip mating screws and allow for their repeated installation and removal over…

Aluminum and stainless steel microPEM® TackSert® pins from PennEngineering provide cost-effective alternatives to micro screws for attaching top panels to base panels or chassis in compact electronic assemblies.  They will attach top panels of any material to a base or chassis manufactured from common cast metals (such as magnesium and aluminum) or plastics (such as…

New PEM® S-RT™ self-clinching free-running locknuts from PennEngineering® feature a modified thread angle enabling easier tightening of mating screws and superior vibration-resistant locking performance in thin metal assemblies. The modified thread formation allows mating screws to spin freely during the attachment process until clamp load is induced during the screw-tightening process. The applied clamp load…

The design challenge is to fasten thin metal sheets in a manner that assures load-bearing threads that are stronger than tapped holes. In addition, the fastening cannot protrude on either side of the sheet. One solution is the PEMSERT self-clinching flush nut. These nuts can be installed before sheet bending and forming to provide threads…

The PEM® VariMount® fastening system from PennEngineering® enables the use of PEM® self-clinching fasteners for attachment applications in composites, plastics, metal, and any rigid material or panel. The system integrates a self-clinching nut, stud, or standoff pre-installed permanently into a steel or stainless steel base plate. The base plate with multiple radial holes effectively becomes…

PEM® Type SL™ self-clinching steel locknuts from PennEngineering® integrate a unique TRI-DENT® locking feature to hold mating screws tight over time by providing sufficient torsional resistance to withstand vibration, thermal cycling, and other disruptive forces that could loosen the screws in service. These prevailing torque locknuts, which meet 3 cycle locking performance to effectively “self-lock”…

by Leon M. Attarian, PennEngineering Switching to surface mount spacers reduces hardware requirements and simplifies installation. Application challenge: One of Penn Engineering’s manufacturing customers was constantly experiencing production delays for an application where printed circuit boards were mounted to daughter boards in a line card for optical fiber telecom equipment. Line cards are modular electronic…

PEM® self-clinching pilot pins from PennEngineering® are offered in a variety of designs to provide ideal hardware solutions for positioning, alignment, or pivot applications. All install in thin metal sheets and become permanent parts of an assembly. All install easily into thin metal sheets by pressing them into a pre-punched mounting hole of the proper…

PennEngineering® (Danboro, PA, USA) has entered into an agreement to acquire Heyco® Products Inc. (Toms River, NJ, USA), it was announced by both companies. Terms of the agreement were undisclosed and no changes are anticipated regarding Heyco’s operations, facilities, and employees. The acquisition is expected to expand sales growth opportunities for both companies. Heyco Products…

PEM self-clinching standoff fasteners from PennEngineering enable precise and reliable mounting, spacing, or stacking of panels, boards, or components in assemblies.  This family of fasteners includes a wide range of types and styles designed for permanent installation into metal sheets as thin as .025” / 0.63mm. Depending on type, PEM self-clinching standoffs can be specified with through-hole…

These ReelFast surface mount fasteners have a variety of attachment options for printed circuit board applications. Depending on type, the fasteners can be specified to mount, stack, or space boards; attach components to boards; create right-angle attachment points on boards; or enable repeated access without requiring loose screws. All types are supplied on tape and…

SI threaded inserts from PennEngineering provide durable and reusable metal threads in plastic materials to accept mating hardware and subsequently allow for access to an assembly whenever required. Unlike fixed and unyielding joining methods, such as adhesives or rivets, the inserts ultimately offer the capability to disassemble and re-attach plastic components easily and quickly without…

The expanding line of PEM ReelFast surface mount fasteners from PennEngineering offers a variety of reliable attachment solutions for printed circuit board applications. Depending on type, the fasteners can be specified to mount, stack, or space boards; attach components to boards; create right-angle attachment points on boards; or enable repeated access without requiring loose screws.…

New PEM® ReelFast® surface mount spring-loaded captive panel screws (Type SMTPFLSM™) from PennEngineering® install precisely and permanently where designed on printed circuit boards to provide secure attachment and allow for subsequent access whenever necessary. These all-metal captive screw assemblies mount in one piece on boards using the pick-and-place method and will install in the same…

PennEngineering® has been awarded U.S. Patent No. 9,113,567 for a unique three-piece heat sink mounting system designed to securely attach heat sinks to printed circuit boards while providing firm and constant contact to the chip component for optimized heat dissipation.  The inventor of this dynamic mounting system is Robert F. Stotz, Jr. The patented mounting…

The new PEM® VariMount™ fastening system (Type VM) from PennEngineering® utilizes proven self-clinching technology paired with a round steel or stainless steel base plate to offer a clean and ready-made assembly for mounting into any rigid material or panel, including composites, plastics, and metals.  Multiple radial holes in the base plate and a generous footprint…

by Leon M. Attarian, Director of Global Marketing, PennEngineering Panel fastener assemblies, like captive panel screws, allow for repeated access to equipment while minimizing loose hardware. Panel fastener assemblies, which integrate captivated screws and mount permanently to an assembly, can securely attach equipment panels, covers, drawers, racks and similar components, while allowing for subsequent and…

PEM® floating self-clinching nuts for stainless steel assemblies enable easier mating-hole alignment to promote design flexibility in relaxed tolerance applications. These fasteners from PennEngineering® can be specified either with non-locking or self-locking threads and will permit up to .015” / 0.38mm minimum float in all directions from center. Their unique engineering further imparts added strength…

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 (SHTM hard panel nuts and HFLHTM hard panel studs) are manufactured from hardened alloy steel to provide stronger thread strength. They further enable close-to-edge mounting without risking panel…