APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 7/8"-14 Int Thrd Sz, 1 1/4"-12 Ext Thrd Sz
APPROVED VENDOR Key Locking Insert: Heavy Wall, a stainless steel key-locking insert with 4 keys, plain finish, and a 10-pack quantity. It features a 7/8"-14 internal thread size and a 1 1/4"-12 external thread size…
SKU 3G-OTH-535618
Need installation or engineering help?
Ask a question
Product Description
APPROVED VENDOR Key Locking Insert: Heavy Wall, a stainless steel key-locking insert with 4 keys, plain finish, and a 10-pack quantity. It features a 7/8"-14 internal thread size and a 1 1/4"-12 external thread size, with coarse thread type, external thread fit 2A, internal thread fit 2B, and material grade C1215, compatible with a 1-1/4"-12 tap size.
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 used in industrial applications requiring a strong, reusable thread in steel or cast iron.
What are the specifications of the APPROVED VENDOR key locking insert?
This heavy-wall insert has a 7/8"-14 internal thread and a 1 1/4"-12 external thread, coarse thread type, with external thread fit 2A and internal thread fit 2B. It is made from C1215 material, plain finish, compatible with a 1-1/4"-12 tap size, and comes in a 10-pack.
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 heavy-wall insert with 4 keys.
How to install a key locking insert?
Installation requires tapping the hole to the specified compatible tap size (1-1/4"-12 for this insert), then driving the insert into the tapped hole using a proper installation tool. The external keys embed into the parent material to lock the insert in place. Follow standard thread-repair best practices.
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.









