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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Studs and Pins for Sheet Metal > Unthreaded Pins, Flush – Types TP4, TPS, TPXS > Unthreaded Pins, Flush – Types TP4, TPS > Self-Clinching Pilot Pins - Type TPS™, TP4™ - Metric > Part # TP4-4mm-8  

Part # TP4-4mm-8, Self-Clinching Pilot Pins - Type TPS™, TP4™ - 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.

TPS, TP4 Pilot Pins satisfy a wide range of positioning, pivot, and alignment applications. The chamfered end makes mating hole location easy
  • Flush-head for sheet thickness of 1.00 mm and greater.
  • Satisfies a wide range of positioning, pivot, and alignment applications.
  • Chamfered end makes mating hole location easy.
  • Type TPS recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 70 or less and HB (Hardness Brinell) 125 or less.
  • Type TP4 recommended for use in stainless steel sheets HRB (Rockwell “B” Scale) 92 or less and HB (Hardness Brinell) 195 or less.




 Specifications   

Pin Dia. Code
4 mm

Length Code
8

Min. Sheet Thickness
1.0 mm

Hole Size in Sheet + 0.08
4.5 mm

P - Nominal Pin Diameter ± 0.05

 View
4.00 mm

L - Length ± 0.4
8 mm

D ± 0.15
2.82 mm

H ± 0.4
6.12 mm

S Max.1
2.29 mm

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

For Use in Sheet Hardness
HRB 92 / HB 195 or Less

Fastener Material
400 Series Stainless Steel

Standard Finish
Passivated and/or tested per ASTM A380

CAD Supplier
PennEngineering® (PEM®)
1 Pin diameter may exceed max. in this region.


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·  TPS_Installed



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