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Part # AC-440-2, Floating Self-Clinching Fasteners
A4, AS, AC - Unified
Locking and Non-locking Threads
These fasteners provide load-bearing
threads in thin sheets and permit up to .030” adjustment for mating hole misalignment.
The self-clinching feature offers fast and simple assembly. The fasteners are squeezed into prepared holes using any
standard press. The sheet remains flush on one side, and the fastener is permanently locked in place.
Extra strength and support in assembly is obtained by the threads of the floating nut extending fully into the
more
Specifications
Thread Size .112-40 (#4-40)
Thread Type
Non-Locking
Thread Code 440
Shank Code 2
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A (Shank) Max.
.054 in
Min. Sheet Thickness .054 in
Hole Size in Sheet + .003 - .000 .290 in
C Max. .289 in
D Max. .290 in
E ± .015 .360 in
T1 Max. .130 in
Min. Dist. Hole C/L to Edge .300 in
Float .015” minimum, in all directions from center, .030” total
Fastener Material 300 Series Stainless Steel
Fastener Materials - Retainer 300 Series Stainless Steel
Fastener Materials - Nut 300 Series Stainless Steel
Standard Finish - Retainer & Nut Passivated and/or tested per ASTM A380
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