Choose from our selection of thread repair inserts, including over 3,400 products in a wide range of styles and sizes. Same and Next Day Delivery.

Thread Repair Kits & Inserts Filter By Internal Thread Size ... Heli-Coil SAE Thread Repair Kit - 5521-16 ...

Choose from our selection of thread repair kits, including threaded inserts, threading, and more. Same and Next Day Delivery.

Inserts come with a through-hole tap and installation tool. Also known as Heli-Coil inserts, they have coils that expand once installed to securely anchor the insert. All have a prong for ease …

Free-Running inserts do not have any thread-locking mechanisms and will spin freely inside the mounting hole. They require a thread locker or adhesive to secure them into place and prevent …

Spark Plug Thread Repair Kits for Gasket-Seat and Taper-Seat Ports These kits have short -, normal -, and long-reach inserts, an installation tool, and a tap. Includes

Choose from our selection of thread repair, including helical inserts for metal, key-locking inserts for soft metal, and more. Same and Next Day Delivery.

Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. These inserts are used to repair or convert threads in soft metals such as aluminum. They’re …

2-56 Thread × 0.129" Installed Lg. (24 Inserts and 24 Screw-Locking Inserts) 3-48 Thread × 0.148" Installed Lg. (24 Inserts and 24 Screw-Locking Inserts) 4-40 Thread × 0.168" Installed …

Assortments include various sizes of helical inserts and a tap, a drill bit, and an installation tool for each thread size. Spark Plug Thread Repair Kits Kits include helical inserts, a tap, and an …