HFE-M8-30ZI

High-Strength Studs for Thin Sheets – Type HFE

HFE-M8-30ZI

High-Strength Studs for Thin Sheets – Type HFE

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.

HFE (heavy-duty) Studs are designed with an enlarged head diameter which projects above the sheet material and provides maximum pull through in sheets as thin as 1.00 mm.- Enlarged head diameter provides high-strength in sheets as thin as 1.00 mm.

  • Recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 85 or less and HB (Hardness Brinell) 165 or less.

Specifications

Thread Code
M8
Thread Size
M8 x 1.25
Thread Specification
6g, ASME B1.13M, External
Fastener Material
Carbon Steel
Standard Finish
Zinc plus Clear Chromate
For Use in Sheet Hardness
HRB 85 / HB 165 or Less
Length Code
30
Thread Strength_MPa
900
Product Category
High-Strength Studs for Thin Sheets – Type HFE
CAD Supplier
PennEngineering® (PEM®)
CADPartID
103711
Application Type
Aerospace, Automotive, Commercial Vehicles, Industrial, Manufacturing & Sheet Metal Fabrication
Base Panel Material
Aluminum, Steel
Brand
PEM
Fastener Characteristics
Threaded External
Industry
Automotive, Datacom & Telecom, Defense, Electric Vehicles, Industrial & Commercial
Installation Equipment/Method
C-Frame Automatic Feed, C-Frame Manual Feed, In-Die
PEM Product Family
FH
Product Type
Studs
Technology Type
Self-Clinching
Unit (Metric/Unified)
Metric
H Plus Minus 025 Mm
15.3mm
Hole Size in Sheet + 0.13_mm
8mm
L Len Pm 015in Or 4mm
30mm
Max. Hole in Attached Parts_mm
10.3mm
Min. Dist. Hole C/L to Edge_mm
14.5mm
Min. Sheet Thickness_mm
1.5mm
S Max._mm
3.3mm
T Max._mm
2.13mm

Resources

Installation & Performance Data

fh-hfe-studs-metric
TYPE THREAD CODE REC. NUT TIGHTENING TORQUE (N•m) TEST SHEET THICKNESS & MATERIAL SHEET HARDNESS HRB INSTALLATION (kN) PUSHOUT (N) TORQUE-OUT (N•m) TENSILE STRENGTH (kN) PULL THRU (N) PULL THRU TEST BUSHING HOLE SIZE (mm)
HFE M8 24 1.5 mm Aluminum 22 42 1230 23.5 32.9 25 10.3
HFE M8 26 1 mm Cold-rolled Steel 65 71.1 2400 33.9 32.9 27.5 10.3

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