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Countersunk Head Threaded Insert - Closed End Keyed - Unified
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Countersunk Head Threaded Insert - Closed End Keyed - Unified
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Part # AEA31KB406
Part # AEA31KB406, Countersunk Head Threaded Insert - Closed End Keyed - Unified
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Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface.
Both UNC and UNF threads available in No. 10 and larger thread sizes. Check for availability of other grip ranges and designs.
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Specifications
Thread Size
5/16-18
Grip Range
.331 - .406
in
Identification Mark
3 Rad.
B Ref.
.656
in
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C Max.
.104
in
øD + .000 - .004
.413
in
E Max.
.505
in
F + .005 -.000
.120
in
J Ref.
.940
in
K Ref.
.565
in
P - Keyway Width + .003 -.000
.128
in
H - Keyway Height
.097 - .102
in
Install Drill Size Ref.
Z
Install Hole Size Min.
.413
in
Install Hole Size Max.
.423
in
Pull Up Factor
.120
in
Weight per 1000
10.2
lb
Fastening
Installed
Thread Specification
3B per ASME B1.1
Standard Material
6053 Aluminum or 6061 Aluminum
Standard Finish
Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant
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PennEngineering® (Atlas®)
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