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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M6-1.00 Int Thrd Sz, M12x1.25 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M6-1.00 Int Thrd Sz, M12x1.25 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M6-1.00 internal thread size, M12x1.25 external thread size, plain finish, and coarse thread type. It meets Fed Std. H28/21 and…

SKU 3G-OTH-531782

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, M6-1.00 Int Thrd Sz, M12x1.25 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-077365
Type
M6-1.00 Int Thrd Sz, M12x1.25 Ext Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Finish Type
Plain
Thread Type
Coarse
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M12x1.25
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Metric
View Full Spec Sheet

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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M6-1.00 internal thread size, M12x1.25 external thread size, plain finish, and coarse thread type. It meets Fed Std. H28/21 and MJ Form standards, with 2A external and 3B internal thread fits, made from 18-8 material, compatible with M12x1.25 tap size, and supplied in a 10-pack (MPN 217-077365).

Frequently Asked Questions

What is an APPROVED VENDOR key locking insert used for?

An APPROVED VENDOR key locking insert is used to repair or reinforce tapped threads in metal assemblies, especially where vibration or high loads are present. The heavy-wall design with 4 keys locks the insert in place, meeting mil. spec. standards for aerospace, defense, and industrial applications.

What are the specifications of the APPROVED VENDOR key locking insert 217-077365?

This insert has M6-1.00 internal thread size and M12x1.25 external thread size, with 2A external and 3B internal thread fits. It is made from 18-8 stainless steel, has a plain finish, coarse thread type, and meets Fed Std. H28/21 and MJ Form standards. Supplied in a 10-pack.

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 and customs clearance to deliver to any international destination. Contact us for pricing and lead time on this 10-pack of heavy-wall inserts.

How to install a key locking insert?

Installation requires drilling out the damaged thread to the specified tap size (M12x1.25), tapping the hole, then threading the insert in using a compatible installation tool. The 4 keys are then set into the parent material to lock the insert. Always follow the manufacturer's torque and depth guidelines.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
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General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED 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.

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