Te-Co Thread Insert For Metal, Extra Heavy Wall Carbon Steel With Self-Locking Use-Activated Epoxy Adhesive: 5/16-18 Internal Thread X 9/16-12 External Thread X .515" Long. Ideal For Repairing Or Reinforcing Threaded Holes In Soft Metals Like Aluminum, Magnesium And Cast Iron. External Threads Are Standard Size And Pitch, Making Installation Easy With Standard Drills And Taps. Can Be Installed With A Screwdriver Or A Bolt And Jam Nut Combination.
- Automatic self-locking external thread with use-activated adhesive.
- Will not back out or vibrate loose.
- Immediately on installation, microencapsulated epoxy molecules begin to set, and the newly installed insert can be fastened to within minutes. Adhesive continues to cure overnight until completely set.
- Adhesive seals against liquids and gases to pressures of 6,000 psi and bonds to virtually all metals.