Part # AECH8B281, Countersunk Head Threaded Insert - Closed End Keyless

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 .241 - .281 in
Identification Mark	N/A 2 Circ.
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 ± .015	N/A .875 in
K Ref.	N/A .290 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®)

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Thread Size