Designed to repair damaged threads or for use in original equipment, Keysert and KEENSERTS® feature a key-locking action to prevent rotation due to vibration or torsion.

Keysert inserts are commercial-grade products packaged in single-size or range kits for either inch or metric sizes. Both carbon and stainless steel materials are available in Thinwall, Heavy Duty, Extra Heavy Duty, and Solid styles.

KEENSERTS are high-grade, stainless steel inserts manufactured and tested according to MIL-I-45914 rev A. This rigorous process includes testing internal and external threads (proof and pull-out), torque-out, locking torque, non-destructive testing, and magnetic permeability testing. KEENSERTS offer complete traceability and are available in internal thread-locking and miniature sizes.