APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M20-1.50 Int Thrd Sz, M30-2.00 Ext Thrd Sz

This heavy-wall key locking insert repairs or reinforces stripped threads in metal assemblies, particularly in aerospace, defense, and industrial equipment. Its 4 keys lock the insert into the parent material, preventing rotation under vibration. The M20-1.50 internal thread accepts standard metric fasteners, while the M30-2.00 external thread installs into a tapped hole.

This 10-pack insert has a heavy wall, 4 keys, M20-1.50 internal thread, M30-2.00 external thread, and plain finish. It requires a 28.10 mm drill bit and M30-2.00 tap. Made from 18-8 stainless steel, it meets Fed Std. H28/21 and MJ Form standards. External thread fit is 2A; internal thread fit is 3B.

3G Electric supplies APPROVED VENDOR key locking inserts to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 217-076573 10-pack heavy-wall insert with M20-1.50 internal thread.

Drill a 28.10 mm hole, tap it to M30-2.00 using a compatible tap, then thread the insert into the tapped hole until it sits slightly below the surface. Use the 4 keys to lock the insert by driving them into the parent material with a key locking tool. Ensure the external thread fit is 2A for proper engagement.