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PEM® self-clinching, flush-head studs with X-Press™ threads are typically used with push-on or other plastic fasteners. The coarse thread design of the thread reduces assembly time and provides high retention force.
These self-clinching studs are installed in metal sheets by pressing them into place with any standard press. They can also be installed using automated equipment during the in-die process.
PEM® studs with X-Press™ threads are available with 5 mm and 6 mm metric threads. Lengths range from 10 mm to 25 mm.



Features and Benefits
  • Offers fast, reliable attachment.
  • Reduces assembly time.
  • Allows for lighter assembly.
  • Self-clinching stud mounts flush in metal sheets as thin as 1mm.
  • Thread design accommodates paints and coatings without compromising performance.
  • Self-clinching technology is cleaner and has a more attractive finished appearance than welding.
  • Can be installed during the stamping process with PEMSERTER® in-die technology.
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Unit of Measure
Items
Flush Head Studs Type FHX

Flush-Head Studs with X-Press™ Thread Profile – Type FHX – Metric
Flush Head Studs Type FHX

Flush-Head Studs with X-Press™ Thread Profile – Type FHX – Metric
Flush Head Studs Type FHX

Flush-Head Studs with X-Press™ Thread Profile – Type FHX – Metric
Flush Head Studs Type FHX

Flush-Head Studs with X-Press™ Thread Profile – Type FHX – Metric
Flush Head Studs Type FHX

Flush-Head Studs with X-Press™ Thread Profile – Type FHX – Metric
Thread Size x Pitch N/A 5 mm x 1.6 N/A 6 mm x 1.6 N/A 5 mm x 1.6 N/A 6 mm x 1.6 N/A 5 mm x 1.6
Thread Code N/A X5 N/A X6 N/A X5 N/A X6 N/A X5
Length Code N/A 10 N/A 10 N/A 15 N/A 15 N/A 20
Material Code N/A
Min. Sheet Thickness N/A 1 mm N/A 1.6 mm N/A 1 mm N/A 1.6 mm N/A 1 mm
Hole Size in Sheet + 0.08 N/A 5.2 mm N/A 6.2 mm N/A 5.2 mm N/A 6.2 mm N/A 5.2 mm
Max. Hole in Attached Parts N/A
L - Length ± 0.41
N/A 10 mm Flush-Head-StudsType-FHX-2_1.jpg N/A 10 mm Flush-Head-StudsType-FHX-2_1.jpg N/A 15 mm Flush-Head-StudsType-FHX-2_1.jpg N/A 15 mm Flush-Head-StudsType-FHX-2_1.jpg N/A 20 mm Flush-Head-StudsType-FHX-2_1.jpg
H ± 0.4 N/A 6.5 mm N/A 8.2 mm N/A 6.5 mm N/A 8.2 mm N/A 6.5 mm
S Max. N/A 4 mm
Min. Dist. Hole C/L to Edge2 N/A
For Use in Sheet Hardness N/A HRB 80 / HB 150 or less
Thread Specification N/A
Fastener Material N/A Hardened Carbon Steel
Standard Finish N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
Optional Finish3 N/A
CAD Supplier N/A PennEngineering® (PEM®)
Inventory N/A {0} N/A {0} N/A {0} N/A {0} N/A {0}
  • 1 The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”
  • 2 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 3 “BL” suffix will be added to part number to designate DuraBlack™ finish.