ISO 9001:2015/AS 9100:Rev. D/SBA Certified
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Keensert Installation &
Thread Insert Resources
Technical guidance for engineers, buyers, and maintenance teams researching Keensert and key-locking threaded insert installation, tooling, specifications, and thread repair.
These resources help engineers and buyers understand what Keensert and key-locking threaded insert installation involves, from hole preparation and tooling through specifications, thread repair, and how these inserts compare to other thread insert types. American Precision Assembly provides professional Keensert installation services for aerospace, defense, and high-reliability mechanical assemblies.
Keensert Installation Guide
The general Keensert installation process, from hole preparation through final inspection, with a printable format.
Keensert Installation Video
A visual walkthrough of what to look for at each stage of Keensert installation.
Keensert Installation Tools
The categories of tooling used for hole preparation, insertion, and locking-key installation.
Keensert Installation Specifications & Charts
How to identify and verify the specifications that determine Keensert installation requirements.
Keensert Thread Repair
How key-locking threaded inserts are used to repair damaged or worn threads, and what a repair application involves.
Keensert vs Helicoil
An educational comparison of solid key-locking inserts and helical wire thread inserts.
Keensert Installation Services
Professional Keensert and key-locking threaded insert installation from American Precision Assembly, AS9100D and ISO 9001:2015 certified.
Frequently Asked Questions

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Contact Information
Huntington Beach, CA 92649