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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 edgemore
Unit of Measure

Thread Size

.086-56 (#2-56)

Thread Code

256

Length Code

8

Min. Sheet Thickness

.040 in

Hole Size in Sheet + .003 - .000

.085 in

Max. Hole in Attached Parts

.100 in

L - Length ± .015

.500 in
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H ± .015

.112 in
S Max.1 .080 in

Min. Dist. Hole C/L to Edge

.098 in

For Use in Sheet Hardness

HRB 80 / HB 150 or less

Thread Specification

External, ANSI B1.1, 2A

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.