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APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, 5/16"-18 Int Thrd Sz, 7/16"-14 Ext Thrd Sz - Stainless Steel Key-Locking Inserts
APPROVED VENDORStainless Steel Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, 5/16"-18 Int Thrd Sz, 7/16"-14 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a thin-wall, stainless steel (Grade 303) insert with 4 keys, featuring a 5/16"-18 internal thread and a 7/16"-14 external thread. Supplied as a plain finish, 10-pack (MPN…

SKU 3G-OTH-535606

Brand
APPROVED VENDOR
Item
Key Locking Insert: Thin Wall, 4 Keys, 5/16"-18 Int Thrd Sz, 7/16"-14 Ext Thrd Sz
Category
Stainless Steel Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
215-066323
Type
Plain, 10 PK
Keys
4
Wall Type
Thin Wall
Ext Thrd Sz
7/16"-14
Finish Type
Plain
Int Thrd Sz
5/16"-18
Thread Type
Fine
Compatible Tap Size
7/16"-14
External Thread Fit
2A
Internal Thread Fit
2B
Material Grade/Class
303
System of Measurement
Inch
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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, stainless steel (Grade 303) insert with 4 keys, featuring a 5/16"-18 internal thread and a 7/16"-14 external thread. Supplied as a plain finish, 10-pack (MPN 215-066323), it uses a fine thread system of measurement (inch) with external thread fit 2A and internal thread fit 2B, compatible with a 7/16"-14 tap.

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, like the APPROVED VENDOR thin-wall stainless steel model, is used to repair or reinforce internal threads in metal assemblies. Its external keys lock the insert into the parent material, preventing rotation under load, making it ideal for high-vibration or high-torque applications in industrial machinery.

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

This APPROVED VENDOR insert has a 5/16"-18 internal thread and 7/16"-14 external thread, with a thin wall, 4 keys, and plain finish. It is made from Grade 303 stainless steel, uses inch fine threads, and has external fit 2A and internal fit 2B. Supplied as a 10-pack (MPN 215-066323).

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies the APPROVED VENDOR key locking insert (MPN 215-066323) to customers 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, stainless steel inserts.

How to install a key locking insert?

To install a key locking insert, drill and tap the hole to the specified compatible tap size (7/16"-14 for this APPROVED VENDOR insert). Use a proper installation tool to thread the insert into the tapped hole until the keys engage the parent material. Ensure the insert is flush or slightly below the surface for secure locking.

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 stainless steel 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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