We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

OEM Key Locking Insert - Mil. Spec. Key-Locking Inserts
OEMMil. Spec. Key-Locking Inserts

OEM Key Locking Insert

The APPROVED VENDOR Key Locking Insert is a Mil. Spec. heavy-wall insert with 4 keys, M12x1.75 internal thread and M18-1.50 external thread, plain finish, in a 10-pack. It meets Fed Std. H28/21 and MJ Form standards…

SKU 3G-OTH-531706

Also listed as: 217076369 · 217 076369

Brand
OEM
Item
Key Locking Insert
Category
Mil. Spec. Key-Locking Inserts
Available to Order
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Worldwide Shipping
Air & sea freight
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Technical specs
1-Day Quote
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OEM
Manufacturer Part Number
217-076369
Type
M12x1.75 Int Thrd Sz, M18-1.50 Ext Thrd Sz, Plain, 10 PK
Keys
4
Wall Type
Heavy Wall
Finish Type
Plain
Thread Type
Coarse
Drill Bit Size
16.70 mm
Industry Standards
Fed Std. H28/21, MJ Form
Compatible Tap Size
M18-1.50
External Thread Fit
2A
Internal Thread Fit
3B
Material Grade/Class
18-8
System of Measurement
Metric

Technical Documents

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OEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Key Locking Insert is a Mil. Spec. heavy-wall insert with 4 keys, M12x1.75 internal thread and M18-1.50 external thread, plain finish, in a 10-pack. It meets Fed Std. H28/21 and MJ Form standards, with 18-8 material, 16.70 mm drill bit size, M18-1.50 compatible tap, and thread fits of 2A external and 3B internal.

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 an APPROVED VENDOR Key Locking Insert used for?

This heavy-wall key locking insert repairs or reinforces stripped threads in metal assemblies, particularly in aerospace and defense applications. Its 4 keys lock it into place, preventing rotation under vibration. It meets Mil. Spec. standards Fed Std. H28/21 and MJ Form for critical threaded joints.

What are the specifications of the APPROVED VENDOR Key Locking Insert?

This insert has M12x1.75 internal thread and M18-1.50 external thread, heavy wall, plain finish, 18-8 material, 16.70 mm drill bit size, compatible tap M18-1.50, external thread fit 2A, internal thread fit 3B. It comes in a 10-pack with 4 keys and meets Fed Std. H28/21 and MJ Form.

Where to buy APPROVED VENDOR Key Locking Inserts worldwide?

3G Electric supplies and delivers APPROVED VENDOR key locking inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this 10-pack of heavy-wall, 4-key inserts meeting Mil. Spec. standards.

How to install an APPROVED VENDOR Key Locking Insert?

Drill a 16.70 mm hole, tap it with an M18-1.50 tap, then thread the insert in using a key locking insert tool. The 4 keys will engage the parent material to lock it. Use thread fit 2A external and 3B internal for proper engagement. Follow standard Mil. Spec. installation practices.

OEM Products

3G Electric supplies OEM 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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