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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M10x1.5 Int Thrd Sz, M16x1.5 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M10x1.5 Int Thrd Sz, M16x1.5 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with M10x1.5 internal thread size and M16x1.5 external thread size, featuring 4 keys and a plain finish. Supplied in a 10-pack, it meets Fed…

SKU 3G-OTH-531700

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, M10x1.5 Int Thrd Sz, M16x1.5 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-077367
Type
M10x1.5 Int Thrd Sz, M16x1.5 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
M16x1.5
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 M10x1.5 internal thread size and M16x1.5 external thread size, featuring 4 keys and a plain finish. Supplied in a 10-pack, it meets Fed Std. H28/21 and MJ Form standards, with 2A external and 3B internal thread fits, made from 18-8 material in metric sizing.

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 is used to repair or reinforce tapped threads in metal assemblies, especially in aerospace and defense applications. The APPROVED VENDOR heavy-wall insert with 4 keys provides a permanent, vibration-resistant thread in soft materials like aluminum, meeting mil. spec. standards.

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

This heavy-wall insert has M10x1.5 internal thread and M16x1.5 external thread, with 2A external and 3B internal thread fits. It is made from 18-8 stainless steel, meets Fed Std. H28/21 and MJ Form standards, and comes in a 10-pack with plain finish 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 sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 10-pack of heavy-wall, M10x1.5 inserts.

How to install a key locking insert?

Installation requires drilling to the compatible tap size (M16x1.5), tapping the hole, then winding the insert onto a driver tool until it sits below the surface. The 4 keys are then set using a keying tool to lock the insert in place. Always follow the manufacturer's instructions for torque and depth.

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.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
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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