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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.
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Unit of Measure
Items
Heavy Duty Studs for Thin Sheets - Type THFE

Heavy Duty Studs for Thin Sheets - Type THFE - Unified
Heavy Duty Studs for Thin Sheets - Type THFE

Heavy Duty Studs for Thin Sheets - Type THFE - Unified
Heavy Duty Studs for Thin Sheets - Type THFE

Heavy Duty Studs for Thin Sheets - Type THFE - Unified
Heavy Duty Studs for Thin Sheets - Type THFE

Heavy Duty Studs for Thin Sheets - Type THFE - Unified
Heavy Duty Studs for Thin Sheets - Type THFE

Heavy Duty Studs for Thin Sheets - Type THFE - Unified
Thread Size N/A .250-20 (1/4-20) N/A .313-18 (5/16-18) N/A .250-20 (1/4-20) N/A .313-18 (5/16-18) N/A .250-20 (1/4-20)
Thread Code N/A 0420 N/A 0518 N/A 0420 N/A 0518 N/A 0420
Length Code N/A 8 N/A 8 N/A 12 N/A 12 N/A 16
Min. Sheet Thickness N/A .031 in
Hole Size in Sheet + .005 - .000 N/A .250 in N/A .312 in N/A .250 in N/A .312 in N/A .250 in
L - Length ± .0151
N/A .500 in Heavy-Duty-Studs-for-Thin-Sheets---Type-THFE-2_1.jpg N/A .500 in Heavy-Duty-Studs-for-Thin-Sheets---Type-THFE-2_1.jpg N/A .750 in Heavy-Duty-Studs-for-Thin-Sheets---Type-THFE-2_1.jpg N/A .750 in Heavy-Duty-Studs-for-Thin-Sheets---Type-THFE-2_1.jpg N/A 1.00 in Heavy-Duty-Studs-for-Thin-Sheets---Type-THFE-2_1.jpg
H ± .01 N/A .462 in N/A .586 in N/A .462 in N/A .586 in N/A .462 in
S Max.2 N/A .109 in N/A .117 in N/A .109 in N/A .117 in N/A .109 in
T Max. N/A .069 in N/A .099 in N/A .069 in N/A .099 in N/A .069 in
Max. Hole in Attached Parts N/A .340 in N/A .402 in N/A .340 in N/A .402 in N/A .340 in
Min. Dist. Hole C/L to Edge3 N/A .446 in N/A .596 in N/A .446 in N/A .596 in N/A .446 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} 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 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.