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PennEngineering
All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Studs and Pins for Sheet Metal > Flush-head, Low Displacement Studs – Types FHL, FHLS > Low-Displacement Head Studs - Types FHL, FHLS - Metric > Part # FHL-M3.5-8ZI  

Part # FHL-M3.5-8ZI, Low-Displacement Head Studs - Types FHL, FHLS - Metric

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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.
  • Installs closer to the edge of a sheet than PEM Type FH/FHS studs without causing that edge to bulge.
  • Flush-head for sheet thickness 1.00 mm and greater.
  • Type FHL is recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 80 or less and HB (Hardness Brinell) 150 or less.
  • Type FHLS is recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 70 or less and HB (Hardness Brinell) 125 or less.




 Specifications   

Thread Size x Pitch
M3.5 x 0.6

Thread Code
M3.5

Length Code
8

Min. Sheet Thickness
1.0 mm

Hole Size in Sheet + 0.08
3.5 mm

Max. Hole in Attached Parts
3.90 mm

L - Length ± 0.4

 View
8 mm

H ± 0.4
4.15 mm

S Max.1
2.30 mm

Min. Dist. Hole C/L to Edge
3.80 mm

For Use in Sheet Hardness
HRB 80 / HB 150 or less

Thread Specification
External, ASME B1.13M, 6g

Fastener Material
Heat-Treated Carbon Steel

Standard Finish
Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

CAD Supplier
PennEngineering® (PEM®)
1 Threads are gageable to within 2 pitches of the “S” Max. dimension. A class 3B/5H maximum material commercial nut shall pass up to the “S” Max. dimension.


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·  FHL_Installed



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PEM Bulletin FH

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