APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, M6-1.00 Int Thrd Sz, M10x1.25 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a thin-wall, mil. spec. insert with 4 keys, M6-1.00 internal thread size, M10x1.25 external thread size, plain finish, and 18-8 material. It meets Fed Std. H28/21 and MJ Form…
SKU 3G-OTH-531691
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Product Description
The APPROVED VENDOR Key Locking Insert is a thin-wall, mil. spec. insert with 4 keys, M6-1.00 internal thread size, M10x1.25 external thread size, plain finish, and 18-8 material. It meets Fed Std. H28/21 and MJ Form standards, with 2A external and 3B internal thread fits, compatible with M10x1.25 tap size. Supplied in a 10-pack (MPN 217-077352).
Frequently Asked Questions
What is an APPROVED VENDOR key locking insert used for?
This thin-wall key locking insert repairs or reinforces tapped holes in soft materials like aluminum. It meets Fed Std. H28/21 and MJ Form standards, making it suitable for aerospace, defense, and industrial applications requiring high-strength, vibration-resistant threads.
What are the specifications of the APPROVED VENDOR key locking insert 217-077352?
This insert has M6-1.00 internal thread, M10x1.25 external thread, 4 keys, thin wall, plain finish, 18-8 stainless steel, 2A external fit, 3B internal fit, and metric measurement. It comes in a 10-pack and is compatible with M10x1.25 tap size.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies APPROVED VENDOR key locking inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 10-pack of thin-wall, 4-key inserts (MPN 217-077352).
How to install an APPROVED VENDOR key locking insert?
Install using a compatible M10x1.25 tap to cut threads, then drive the insert with a key locking installation tool until the keys engage. Ensure the hole is clean and the insert is flush or slightly below the surface. Follow standard mil. spec. practices for best results.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR mil. spec. key-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









