APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 3/8"-24 Int Thrd Sz, 9/16"-12 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a stainless steel heavy-wall insert with 4 keys, a 3/8"-24 internal thread size, and a 9/16"-12 external thread size. Supplied as a plain finish, 10-pack, it features coarse…
SKU 3G-OTH-535592
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Product Description
The APPROVED VENDOR Key Locking Insert is a stainless steel heavy-wall insert with 4 keys, a 3/8"-24 internal thread size, and a 9/16"-12 external thread size. Supplied as a plain finish, 10-pack, it features coarse threads, a C1215 material grade, and 2A/2B thread fits, compatible with a 9/16"-12 tap size.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a key locking insert used for?
A key locking insert repairs or reinforces tapped holes in softer materials. The external keys lock the insert into the parent material, preventing rotation under load. This APPROVED VENDOR heavy-wall insert with 4 keys is ideal for industrial applications requiring strong, reusable threads in metal assemblies.
What are the specifications of the APPROVED VENDOR key locking insert?
This APPROVED VENDOR insert has a 3/8"-24 internal thread and a 9/16"-12 external thread, coarse thread type, plain finish, and C1215 material grade. It features 2A external and 2B internal thread fits, compatible with a 9/16"-12 tap size, and comes in a 10-pack with heavy wall and 4 keys.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies APPROVED VENDOR key locking inserts worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the 215-066104 10-pack or other thread repair inserts for your application.
How to install a key locking insert?
Installation requires tapping the hole to the specified compatible tap size (9/16"-12 for this insert), then driving the insert into the tapped hole using a key locking insert tool. The keys embed into the parent material to lock the insert in place. Follow standard thread repair practices for best results.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR stainless steel key-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









