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  • Enlarged head diameter reduces stress on panel.
  • Thicker head allows for larger hole in attached panels.
  • Clinch design provides high-strength in sheets as thin as .031”.
  • Recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 85 or less and HB (Hardness Brinell) 165 or less.
Unit of Measure

Thread Size

N/A .313-18 (5/16-18)

Thread Code

N/A 0518

Length Code

N/A 32

Min. Sheet Thickness

N/A .031 in

Hole Size in Sheet + .005 - .000

N/A .312 in
L - Length ± .0151
N/A 2.00 in Heavy-Duty-Studs-for-Thin-Sheets---Type-THFE-2_1.jpg

H ± .01

N/A .586 in
S Max.2 N/A .117 in

T Max.

N/A .099 in

Max. Hole in Attached Parts

N/A .402 in
Min. Dist. Hole C/L to Edge3 N/A .596 in

Thread Strength

N/A 120 ksi

For Use in Sheet Hardness

N/A HRB 85 / HB 165 or Less

Thread Specification

N/A External, ASME B1.1, 2A

Fastener Material

N/A Hardened Carbon Steel

Standard Finish

N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

CAD Supplier

N/A PennEngineering® (PEM®)

Inventory

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 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.
  • 3 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.