APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M14-2.00 Int Thrd Sz, M20-1.50 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M14-2.00 internal thread size and M20-1.50 external thread size, plain finish, in a 10-pack. It meets Fed Std. H28/21 and MJ Form…
SKU 3G-OTH-531709
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Product Description
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M14-2.00 internal thread size and M20-1.50 external thread size, plain finish, in a 10-pack. It meets Fed Std. H28/21 and MJ Form standards, is made from 18-8 material, and requires an 18.70 mm drill bit with M20-1.50 compatible tap size, featuring 2A external and 3B internal thread fits.
Frequently Asked Questions
What is an APPROVED VENDOR key locking insert used for?
This heavy-wall key locking insert is used to repair or reinforce threaded holes in metal assemblies, particularly in aerospace and defense applications. It meets Fed Std. H28/21 and MJ Form standards, providing a durable 18-8 stainless steel thread repair solution for M14-2.00 internal threads.
What are the specifications of the APPROVED VENDOR key locking insert?
This insert has M14-2.00 internal thread size and M20-1.50 external thread size, with 4 keys and a plain finish. It requires an 18.70 mm drill bit and M20-1.50 tap, with 2A external and 3B internal thread fits. Made from 18-8 stainless steel, it meets Fed Std. H28/21 and MJ Form standards.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies and delivers APPROVED VENDOR key locking inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility. Contact us for availability and lead time on this 10-pack of heavy-wall inserts.
How to install an APPROVED VENDOR key locking insert?
Drill a hole to 18.70 mm, tap it with an M20-1.50 tap, then thread the insert into the tapped hole using a compatible installation tool. The 4 keys lock the insert into place, preventing rotation. Use a tang break-off tool to remove the drive tang after installation. Follow standard thread repair practices.
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.









