HFG8-0420-8ZI - High-Tensile Strength Studs - Types HFG8™, HF109™ - PEM® Fastening Products

HFG8-0420-8ZI

High-Tensile Strength Studs – Types HFG8™, HF109™

Studs / HFG8-0420-8ZI
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HFG8-0420-8ZI

High-Tensile Strength Studs – Types HFG8™, HF109™

GRADE 8 HEAVY HEAD STUD

Specifications

Thread Code
0420
Thread Size
.250-20 (1/4-20)
Thread Specification
2A, ASME B1.1
Fastener Material
Hardened Medium Carbon Alloy Steel
Standard Finish
Colorless, SC1 (5µm), Type III, Zinc plated per ASTM B633
For Use in Sheet Hardness
HRB 89 / HB 180 or Less
Product Category
High-Tensile Strength Studs – Types HFG8™, HF109™ – Unified
Thread Type
External
Brand
PEM
PEM Product Family
HFG8
Product Type
Studs
H ± .01_in
0.507in
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
0.709in
S Max._in
0.125in
T Max._in
0.09in

Installation & Performance Data

TypeThread CodeInstallation (lbs.)Anvil Dim A (in.)Anvil Dim C (in.)Haeger Part Number Standard Sheet AnvilHaeger Part Number Thin Sheet AnvilHaeger PunchPemserter Part Number Standard Sheet AnvilPemserter Part Number Thin Sheet AnvilPemserter PunchPushout (lbs.)REC. NUT TIGHTENING TORQUE (ft. lbs.)SHEET HARDNESS HRBTENSILE STRENTH (lbs.)TEST SHEET THICKNESS & MATERIALTORQUE-OUT (ft. lbs.)
HFG8 420 21400 .273 – .278 .250 – .253 H-103-04L H-103-04LC H-108-0020L 8021609 8021613 8014458 592 13 85.7 4750 .047″ HSLA Steel 11.5
HFG8 420 14100 .273 – .278 .250 – .253 H-103-04L H-103-04LC H-108-0020L 8021609 8021613 8014458 248 13 45 4750 0.040″ Cold-rolled Steel 11.5

Inventory

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