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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 5/16"-24 Int Thrd Sz, 1/2"-13 Ext Thrd Sz - Stainless Steel Key-Locking Inserts
APPROVED VENDORStainless Steel Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, 5/16"-24 Int Thrd Sz, 1/2"-13 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a stainless steel 303 heavy-wall insert with 4 keys, a 5/16"-24 internal thread and a 1/2"-13 external coarse thread. Supplied as a plain finish, 10-pack, it features 2A…

SKU 3G-OTH-535625

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, 5/16"-24 Int Thrd Sz, 1/2"-13 Ext Thrd Sz
Category
Stainless Steel Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
215-066503
Type
Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Ext Thrd Sz
1/2"-13
Finish Type
Plain
Int Thrd Sz
5/16"-24
Thread Type
Coarse
Compatible Tap Size
1/2"-13
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 stainless steel 303 heavy-wall insert with 4 keys, a 5/16"-24 internal thread and a 1/2"-13 external coarse thread. Supplied as a plain finish, 10-pack, it features 2A external and 2B internal thread fits and is compatible with a 1/2"-13 tap size (MPN 215-066503).

Frequently Asked Questions

What is a key locking insert used for?

A key locking insert repairs or reinforces tapped threads in metal assemblies. The external keys lock into the parent material to prevent rotation under vibration or load, making it ideal for heavy-duty industrial applications where thread integrity is critical.

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

This heavy-wall insert has a 5/16"-24 internal thread and a 1/2"-13 external coarse thread, with 2A external and 2B internal thread fits. It is made from stainless steel grade 303, includes 4 keys, and comes in a plain finish 10-pack (MPN 215-066503).

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 these heavy-wall inserts to your facility, ensuring you get the correct thread repair components for your application.

How to install a key locking insert?

Installation requires tapping the hole to the compatible tap size (1/2"-13), then driving the insert using a key locking insert tool until the keys engage the parent material. Ensure the insert is flush or slightly below the surface. Use thread locking compound for added security in high-vibration environments.

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.
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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 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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