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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.

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 .040” and greater.
  • Satisfies a wide range of positioning, pivot, and alignment applications.
  • Chamfered end makes mating hole location easy.
  • Type TP4 recommended for use in stainless steel sheets HRB (Rockwell “B” Scale) 92 or less and HB (Hardness Brinell) 195 or less.
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Unit of Measure
Items
Unthreaded pins, flush – TP4, TPS

Self-Clinching Pilot Pins - Type TPS™, TP4™ - Unified
Unthreaded pins, flush – TP4, TPS

Self-Clinching Pilot Pins - Type TPS™, TP4™ - Unified
Unthreaded pins, flush – TP4, TPS

Self-Clinching Pilot Pins - Type TPS™, TP4™ - Unified
Unthreaded pins, flush – TP4, TPS

Self-Clinching Pilot Pins - Type TPS™, TP4™ - Unified
Unthreaded pins, flush – TP4, TPS

Self-Clinching Pilot Pins - Type TPS™, TP4™ - Unified
Pin Dia. Code N/A 125 N/A 187 N/A 125 N/A 187 N/A 250
Length Code N/A 6 N/A 6 N/A 8 N/A 8 N/A 8
Min. Sheet Thickness N/A .040 in
Hole Size in Sheet + .003 - .000 N/A .144 in N/A .205 in N/A .144 in N/A .205 in N/A .272 in
P - Pin Diameter ± .002
N/A .125 in a1381_1.jpg N/A .187 in a1381_1.jpg N/A .125 in a1381_1.jpg N/A .187 in a1381_1.jpg N/A .250 in a1381_1.jpg
L - Length ± .0151 N/A .375 in N/A .375 in N/A .500 in N/A .500 in N/A .500 in
D ± .006 N/A .090 in N/A .132 in N/A .090 in N/A .132 in N/A .177 in
H ± .015 N/A .205 in N/A .270 in N/A .205 in N/A .270 in N/A .335 in
S Max.2 N/A .090 in
Min. Dist. Hole C/L to Edge3 N/A .250 in N/A .28 in N/A .250 in N/A .28 in N/A .31 in
For Use in Sheet Hardness N/A HRB 92 / HB 195 or Less
Fastener Material N/A 400 Series Stainless Steel
Standard Finish N/A Passivated and/or tested per ASTM A380
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 Pin diameter may exceed max. in this region.
  • 3 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.