This wedges the keys into place and prevents the insert from rotating and backing out unintentionally. They are commonly used to repair damaged or weak threads and provide thread reinforcement.

Choose from our selection of helical inserts, key-locking inserts, heat-set inserts, and more. Same and Next Day Delivery.

Our threaded inserts are easy to install and remove. No specialty drills, taps or pre-winder tools are required. The keys are driven down into the threads of the surrounding base material, locking the …

We stock a large selection of steel and stainless steel key inserts in inch and metric sizes. Special key insert installation tools offered by Carr Lane Mfg. CO. ensure a perfectly straight and fully recessed …

Quickly repair stripped, damaged or worn out threads with a new stronger thread using keylocking inserts. Keylocking inserts are easily installed using standard drills and taps.

Jergens Heavy Duty Industrial Style Keylocking Inserts are used to quickly repair stripped, damaged, or worn-out threads. They are also used in original equipment where they strengthen threads in soft …

Helisolid ® Key Locking Threaded Inserts are solid, one-piece, key-locking inserts for use in original equipment or used to repair damaged threads. The locking keys of Helisolid ® Key Locking …

Locking keys provide a positive mechanical lock, preventing rotation due to vibration or torsion. Provide high strength and reliability. One length per size provides maximum pullout strength. Breaks Grade 8 …

Our Key Locking Thread Inserts are an ideal solution to repair stripped, damaged and worn threads or to provide thread reinforcement in a weaker parent material, especially when the mating stud or bolt will …

We've stocked our online store with a large selection of key locking inserts. Get thin wall, heavy duty, extra heavy duty, and solid key locking inserts to meet the exact specifications of your unique project.