Part # THFE-0420-20ZI, Heavy Duty Studs for Thin Sheets - Type THFE

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


All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Studs and Pins for Sheet Metal > Heavy Duty Studs, Non Flush – Types HFH, HFHB, HFE, HFHS, THFE > Heavy Duty Studs For Thin Sheets – Type THFE > Heavy Duty Studs for Thin Sheets - Type THFE - Unified > Part # THFE-0420-20ZI

Part # THFE-0420-20ZI, Heavy Duty Studs for Thin Sheets - Type THFE - Unified

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.

Heavy Duty Studs for Thin Sheets - Type THFE

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Heavy Duty Studs for Thin Sheets - Type THFE 2

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Specifications

Thread Size

.250-20 (1/4-20)

Thread Code

0420

Length Code

Min. Sheet Thickness

.031 in

Hole Size in Sheet + .005 - .000

.250 in

L - Length ± .015

1.25 in

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H ± .01

.462 in

S Max.¹

.109 in

T Max.

.069 in

Max. Hole in Attached Parts

.340 in

Min. Dist. Hole C/L to Edge

.446 in

Thread Strength

120 ksi

For Use in Sheet Hardness

HRB 85 / HB 165 or Less

Thread Specification

External, ASME B1.1, 2A

Fastener Material

Hardened 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.