Keenserts® High-Strength Inserts

Keenserts® high-strength threaded inserts are designed to provide permanent, wear-resistant threads in softer materials like aluminum, magnesium, and composites.

Manufactured by Howmet Fastening Systems, Keenserts® feature solid steel construction with internal and external threads, plus locking keys that mechanically secure the insert against rotation and pull-out. They are ideal for demanding applications in aerospace, defense, automotive, and industrial equipment, especially where high load strength and thread integrity are critical. Easy to install and remove, Keenserts are a go-to solution for restoring damaged threads or reinforcing new assemblies.

Products

Keenserts® Solid Inserts

KEENSERTS® stainless steel inserts and studs provide strong, permanent metal threads in a range of ferrous and non-ferrous metals. A thread locking feature is available.

Benefits:

  1. Significantly increases load capability in materials.
  2. Special kees lock the KEENSERTS® into place, eliminating rotation.
  3. Easy to install – no special taps required and no tangs to remove.
  4. High resistance to torque out and pullout.

Keenserts® Tooling

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Pneumatic Tooling

The hydro-pneumatic Power Tool is designed to install metric KEENSERTS® from M5 to M24 and imperial sizes from 1032/1024 to 813/820. This system is low maintenance, lightweight and ergonomic.

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Electric Tooling

The KEENSERTS® EPT1 Power Tool installs metric KEENSERTS® from sizes M5 to M12 and imperial sizes from 1032/1024 to 813/820. The force is shown on the tool’s display. The tool is cordless and makes installation easy in most environments.

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Hand Tooling

The Keenserts® Hand Tool series provides easy and fast installation, as well as a safe and reliable installation process.

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