Part # AECH4B60, Flathead Threaded Insert - Closed End Keyless

Designed for high load applications. Available with rib, key or full hex features for high torque applications.
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 #4-40
Grip Range	N/A .010 - .060 in
Identification Mark	N/A Blank
B ± .015	N/A .270 in
C Nom.	N/A .025 in
øD + .000 - .004	N/A .155 in
E Max.	N/A .198 in
F + .005 -.000	N/A .054 in
L ± .015¹	N/A .500 in
K Ref.	N/A .230 in
Install Drill Size Ref.	N/A 5/32
Install Hole Size Min.	N/A .155 in
Install Hole Size Max.	N/A .157 in
Pull Up Factor	N/A .055 in
Weight per 1000	N/A 1.9 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