Part # AECH8KB106, Countersunk Head Threaded Insert - Closed End Keyed - Unified On Aero-Space Fasteners and Electronics, Inc.

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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.

Unit of Measure

Thread Size	N/A #8-32
Grip Range	N/A .065 - .106 in
Identification Mark	N/A Blank
B Ref.	N/A .355 in
C Max.	N/A .063 in
øD + .000 - .004	N/A .221 in
E Max.	N/A .271 in
F + .005 -.000	N/A .054 in
L ± .015¹	N/A .812 in
K Ref.	N/A .425 in
P - Keyway Width + .003 -.000	N/A .062 in
H - Keyway Height	N/A .056 - .058 in
Install Drill Size Ref.	N/A #2
Install Hole Size Min.	N/A .221 in
Install Hole Size Max.	N/A .226 in
Pull Up Factor	N/A .065 in
Weight per 1000	N/A 5.4 lb
Fastening	N/A Uninstalled
Thread Specification	N/A 3B per ASME B1.1
Standard Material	N/A 4037 Alloy Steel
Standard Finish	N/A Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II
CAD Supplier	N/A PennEngineering® (Atlas®)

¹ The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”

Thread Size