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PennEngineering
All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Studs and Pins for Sheet Metal > Flush-Head Studs – Types FH, FH4, FHA, FHP, FHS, FHX > Flush-Head Threaded Studs – Types FH, FHA, FHS > Self-Clinching Threaded Studs - Type FH/FHS/FHA - Metric > Part # FH-M2.5-6ZI  

Part # FH-M2.5-6ZI, Self-Clinching Threaded Studs - Type FH/FHS/FHA - 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.

FH (flush-head) studs are available in aluminum, steel, or stainless steel. They are also available unthreaded on special order.
  • Flush-head in designated minimum sheet thickness or greater.
  • Type FH is recommended for use in steel or aluminum sheets HRB (Rockwell “B” scale) 80 or less and HB (Hardness Brinell) 150 or less.
  • Type FHS is recommended for use in steel or aluminum sheets HRB (Rockwell “B” scale) 70 or less and HB (Hardness Brinell) 125 or less.
  • Type FHA is recommended for use in aluminum sheets HRB (Rockwell “B” scale) 50 or less and HB (Hardness Brinell) 82 or less.




 Specifications   

Thread Size x Pitch
M2.5 x 0.45

Thread Code
M2.5

Length Code
6

Min. Sheet Thickness
1.0 mm

Hole Size in Sheet + 0.08
2.5 mm

Max. Hole in Attached Parts
3.10 mm

L - Length ± 0.4

 View
6 mm

H ± 0.4
4.1 mm

S Max.1
1.95 mm

Min. Dist. Hole C/L to Edge
5.4 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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·  FH_Installed



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PEM Bulletin FH

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