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APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M14-2.00 Int Thrd Sz, M20-1.50 Ext Thrd Sz - Mil. Spec. Key-Locking Inserts
APPROVED VENDORMil. Spec. Key-Locking Inserts

APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M14-2.00 Int Thrd Sz, M20-1.50 Ext Thrd Sz

The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M14-2.00 internal thread size, M20-1.50 external thread size, plain finish, and coarse thread type. It requires an 18.70 mm drill…

SKU 3G-OTH-531787

Brand
APPROVED VENDOR
Item
Key Locking Insert: Heavy Wall, 4 Keys, M14-2.00 Int Thrd Sz, M20-1.50 Ext Thrd Sz
Category
Mil. Spec. Key-Locking Inserts
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
217-077370
Type
M14-2.00 Int Thrd Sz, M20-1.50 Ext Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Finish Type
Plain
Thread Type
Coarse
Drill Bit Size
18.70 mm
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M20-1.50
External Thread Fit
2A
Internal Thread Fit
3B
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 heavy-wall, mil. spec. insert with 4 keys, M14-2.00 internal thread size, M20-1.50 external thread size, plain finish, and coarse thread type. It requires an 18.70 mm drill bit and M20-1.50 compatible tap, with external thread fit 2A, internal thread fit 3B, and is made from 18-8 material. This 10-pack meets Fed Std. H28/21 and MJ Form standards.

Frequently Asked Questions

What is a key locking insert used for?

A key locking insert repairs or reinforces tapped threads in soft materials like aluminum. The external keys lock the insert into the parent material, preventing rotation under vibration. This heavy-wall, mil. spec. insert from APPROVED VENDOR suits demanding aerospace, defense, and industrial applications requiring high pull-out strength.

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

This heavy-wall insert has M14-2.00 internal thread and M20-1.50 external thread, with 4 keys and plain finish. It requires an 18.70 mm drill bit and M20-1.50 tap. Made from 18-8 stainless steel, it meets Fed Std. H28/21 and MJ Form standards. External thread fit is 2A; internal fit is 3B.

Where to buy APPROVED VENDOR key locking inserts worldwide?

3G Electric supplies and delivers APPROVED VENDOR key locking inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination. Contact us for pricing and lead time on this 10-pack of heavy-wall, mil. spec. inserts.

How to install a key locking insert?

Drill a hole using the specified 18.70 mm bit, then tap threads with an M20-1.50 tap. Screw the insert onto the installation tool until the keys align with the slot. Drive the insert into the tapped hole until it sits slightly below the surface. Remove the tool; the keys lock the insert in place.

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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