THFE-0420-8ZI
Heavy Duty Studs for Thin Sheets – Type THFE
THFE-0420-8ZI
Heavy Duty Studs for Thin Sheets – Type THFE
- 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.
Specifications
- Thread Code
- 0420
- Thread Size
- .250-20 (1/4-20)
- Thread Specification
- 2A, ASME B1.1
- Fastener Material
- Hardened Carbon Steel
- Standard Finish
- Colorless, SC1 (5µm), Type III, Zinc plated per ASTM B633
- For Use in Sheet Hardness
- HRB 85 / HB 165 or Less
- Product Category
- Heavy Duty Studs for Thin Sheets – Type THFE – Unified
- Thread Type
- External
- Brand
- PEM
- PEM Product Family
- THFE
- Product Type
- Studs
- H ± .01_in
- 0.462in
- Hole Size in Sheet +.005 – .000_in
- 0.25in
- Hole Size in Sheet + 0.13_mm
- mm
- L Len Pm 015in Or 4mm
- 0.5in
- L ± 0.4_mm
- mm
- Min. Dist. Hole C/L to Edge_in
- 0.446in
- S Max._in
- 0.109in
- T Max._in
- 0.069in
Installation & Performance Data
| Type | Thread Code | Installation (lbs.) | Anvil Dim A (in.) | Anvil Dim C (in.) | Haeger Anvil For Sheet .031 to .051 (in.) | Haeger Anvil For Sheet > .051 (in.) | Haeger Punch | Pemserter Anvil For Sheet .031 to .051 (in.) | Pemserter Anvil For Sheet > .051 (in.) | Pemserter Punch | PULL THRU (lbs.) | Pushout (lbs.) | REC. NUT TIGHTENING TORQUE (ft. lbs.) | SHEET HARDNESS HRB | TENSILE STRENGTH (lbs.) | TEST BUSHING HOLE SIZE FOR PULL THRU TESTS (in.) | TEST SHEET THICKNESS & MATERIAL | Torque-out (in. lbs.) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| THFE | 420 | 8800 | .302 – .306 | .250 – .253 | H-103-04LC | H-103-04L | H-108-0020L | 8019886 | 970200010300 | 8019890 | 3249 | 116 | 8.1 | 35 | 3820 | 0.34 | .031″ Aluminum | 71 |
| THFE | 420 | 13500 | .302 – .306 | .250 – .253 | H-103-04LC | H-103-04L | H-108-0020L | 8019886 | 970200010300 | 8019890 | 3388 | 197 | 8.5 | 47 | 3820 | 0.34 | .031″ Cold-rolled Steel | 116 |
Inventory
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