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B<br />

Self-Clinching Studs<br />

Goujons auto-clenchant<br />

Steel<br />

Stainless Steel<br />

Aluminum<br />

THREAD<br />

Class 2A (MIL-S-7742)<br />

Unit Package 100<br />

Inch<br />

Pouces<br />

Self-clinching fasteners are pressed into holes in sheet metal by applying a steady squeezing force. This results in the<br />

cold-flow of sheet material, which is displaced by the knurl, into the undercut area on the shank of the fastener.<br />

THREAD<br />

SIZE<br />

Dimensions in inches<br />

D.<br />

Head<br />

Dia.<br />

Kind<br />

of<br />

Metal<br />

ORDER BY SPAENAUR NUMBERS LISTED BELOW<br />

(L) Length in inches<br />

1/4 5/16 3/8 1/2 5/8 3/4 7/8 1 1-1/4 1-1/2<br />

(.250) (.3125) (.375) (.500) (.625) (.750) (.875) (1.00) (1.25) (1.50)<br />

2-56<br />

4-40<br />

6-32<br />

8-32<br />

10-24<br />

10-32<br />

1/4-20<br />

5/16-18<br />

STEEL<br />

+.003<br />

.144 ±.015 .085 -.000 .187 S.S.<br />

ALUM.<br />

STEEL<br />

+.003<br />

.176 ±.015 .111-.000<br />

.219 S.S.<br />

ALUM.<br />

STEEL<br />

+.003<br />

.206 ±.015 .137-.000<br />

.250 S.S.<br />

ALUM.<br />

STEEL<br />

+.003<br />

.237 ±.015 .163-.000<br />

.281 S.S.<br />

ALUM.<br />

STEEL<br />

+.003<br />

.256 ±.015 .189-.000<br />

.281 S.S.<br />

ALUM.<br />

STEEL<br />

+.003<br />

.256 ±.015 .189 -.000 .281 S.S.<br />

ALUM.<br />

STEEL<br />

+.003<br />

.337 ±.015 .249-.000<br />

.312 S.S.<br />

ALUM.<br />

STEEL<br />

+.003<br />

.376 ±.015 .311-.000<br />

.375 S.S.<br />

ALUM.<br />

STEEL<br />

Carbon Steel, Heat Treated, Zinc Plated<br />

MATERIAL AND FINISHES<br />

STAINLESS STEEL (S.S.)<br />

300 Series Passivated<br />

ALUMINUM (ALUM.)<br />

2024-T4 Aluminum<br />

ANVIL DIMENSIONS<br />

THREAD ANVIL<br />

SIZE X Y<br />

.110 .087<br />

.114 .090<br />

.136 .113<br />

.140 .116<br />

.162 .139<br />

.166 .142<br />

.188 .165<br />

.192 .168<br />

.216 .191<br />

.220 .194<br />

.295 .250<br />

.300 .253<br />

.3125<br />

.3155<br />

2-56<br />

4-40<br />

6-32<br />

8-32<br />

10-24<br />

1/4-20<br />

5/16-18<br />

INSTALLATION<br />

GENERAL TOOLING SETUP<br />

Tooling for sheet thickness .059" and less with #2 thru #10 thread sizes and<br />

less than .093" for 1/4" threads.<br />

THREAD<br />

SIZE<br />

Note: These values are for<br />

general reference only.<br />

*Maximum nut tightening values<br />

Torque*<br />

(in.-lbs.)<br />

Installation<br />

(lbs.)<br />

STEEL ALUM. STEEL ALUM.<br />

2-56 5 5 2500 2000<br />

4-40 10 10 4700 3200<br />

6-32 19 19 5000 3500<br />

8-32 35 30 5500 4500<br />

10-24 50 38 6800 5500<br />

10-32 50 38 6800 5500<br />

1/4-20 120 90 6500 6500<br />

5/16-18 200 110 11000 6700<br />

CATALOG 13<br />

B154<br />

22 Aug 01<br />

Tooling for sheet thickness .060" minimum and greater with #2 thru #10 thread sizes<br />

and .092" minimum and greater for 1/4" and 5/16" threads.

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