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APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, M6-0.75 Int Thrd Sz, M10x1.25 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, M6-0.75 Int Thrd Sz, M10x1.25 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a thin-wall, mil. spec. insert with 4 keys, M6-0.75 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-531777

Brand
APPROVED VENDOR
Item
Key Locking Insert: Thin Wall, 4 Keys, M6-0.75 Int Thrd Sz, M10x1.25 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-076552
Type
M6-0.75 Int Thrd Sz, M10x1.25 Ext Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Thin Wall
Finish Type
Plain
Thread Type
Coarse
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M10x1.25
External Thread Fit
2A
Internal Thread Fit
3B
Internal Thread Size
M6-0.75
Material Grade/Class
18-8
System of Measurement
Metric
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Key Locking Insert is a thin-wall, mil. spec. insert with 4 keys, M6-0.75 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.

Frequently Asked Questions

What is a key locking insert used for?

A key locking insert repairs or reinforces tapped threads in metal, providing a strong, reusable internal thread. The APPROVED VENDOR thin-wall, 4-key design meets mil. spec. Fed Std. H28/21 and MJ Form, making it suitable for aerospace, defense, and industrial applications requiring high reliability.

What are the specifications of the APPROVED VENDOR key locking insert?

This insert has M6-0.75 internal thread size, M10x1.25 external thread size, 4 keys, thin wall, 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.

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 for pricing and lead time on this 10-pack of thin-wall, 4-key inserts meeting mil. spec. standards.

How to install a key locking insert?

Installation requires drilling to the specified tap size (M10x1.25), tapping the hole, then inserting the insert using a compatible installation tool. The 4 keys lock into the parent material to prevent rotation. Follow the manufacturer's torque and depth guidelines for the 18-8 stainless steel insert.

Used in

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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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