The FHLS series are flush, low-displacement head self-clinching studs designed for installation in steel or aluminum sheets as thin as 0.040" (1 mm), allowing closer proximity to sheet edges than standard FH/FHS studs without edge bulging. FHLS studs are recommended for materials with a Rockwell B hardness of 70 or less and Brinell hardness of 125 or less. The part number FHLS-440-6 corresponds to a #4-40 thread size with a length code of 4, as defined by the series' standard dimensions. All FHLS studs feature a flush head and are installed using standard pressing equipment, with performance validated for high torque-out and pushout resistance.
PEM® self-clinching studs are installed by placing them in properly sized holes in the sheets and squeezing into place with any standard press. The squeezing action embeds the head of the stud into the sheet. The metal displaced by the head flows smoothly and evenly around the ribs and into the annular groove - creating a flushhead assembly and securely locking the stud into the sheet with high torque-out and pushout resistances.
FHL (flush low-displacement head) Studs install closer to the edge of a sheet than PEM Types FH/FHS studs without causing that edge to bulge.
| PennEngineering® | bisco industries | |
|---|---|---|
| Product Category | Studs | Studs |
| Product Number | FHLS-440-6 | FHLS-440-6 |
| Product Name | Low-Displacement Head Studs - Types FHL, FHLS - Unified | Threaded Rods and Studs |
| Attachment | Pressed | Threaded |
| Shape | Round | |
| Design Units | English | English |
| Inch | # 4 | # 4 |
