APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, M5x0.8 Int Thrd Sz, M8x1.25 Ext Thrd Sz

This thin-wall key locking insert repairs or reinforces tapped threads in metal assemblies, particularly in aerospace and defense applications. Its four keys lock the insert into place, preventing rotation under vibration. The M5x0.8 internal thread accepts standard metric fasteners, while the M8x1.25 external thread mates with the parent material.

This 10-pack insert has a thin wall, 4 keys, M5x0.8 internal thread, and M8x1.25 external thread. It is made from 18-8 stainless steel with a plain finish, coarse threads, and meets Fed Std. H28/21 and MJ Form standards. External thread fit is 2A; internal thread fit is 3B. Compatible tap size is M8x1.25.

3G Electric supplies and delivers APPROVED VENDOR key locking inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international orders. Contact us for availability and lead time on this 10-pack thin-wall insert with M5x0.8 internal thread and M8x1.25 external thread.

First, tap the hole to the specified compatible tap size (M8x1.25) using a proper tap. Then, screw the insert onto the installation tool and thread it into the tapped hole until it is slightly below the surface. Finally, drive the keys down using the key-setting tool to lock the insert in place. Always follow the manufacturer's instructions for torque and depth.