25 Pack Pem 1/4-20 x 1/2" Long Press-In Stud for Sheet Metal  FH-0420-8ZI

25 Pack Pem 1/4-20 x 1/2" Long Press-In Stud for Sheet Metal FH-0420-8ZI

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This listing is for twenty five self-clinching studs. Pem self-clinching studs are installed by placing them in properly sized holes in the sheets and squeezing into place with any standard press. The squeezing action embeds the head of the stud into the sheet. The metal displaced by the head flows smoothly and evenly around the ribs and into the annular groove – creating a flushhead assembly and securely locking the stud into the sheet with high torque-out and pushout resistances.

Thread Size                                   0.250-20 (1/4-20)
Min. Sheet Thickness                   0.062 in
Hole Size in Sheet                        0.249 in
Min. Dist. Hole C/L to Edge         0.312 in

Refer to picture number 4 for following:
H        .337"
L         .5"
S         .135"

For Use in Sheet Hardness         HRB 80 / HB 150 or less
Thread Specification  External, ANSI B1.1, 2A
Fastener Material Heat-Treated Carbon Steel
Standard Finish Zinc Plated, 5µm, Colorless