OEM Mil. Spec. Key-Locking Insert, Heavy Wall, M12x1.75 Int x
APPROVED VENDOR Mil. Spec. Key-Locking Inserts, Heavy Wall, with 4 keys, M12x1.75 internal thread size and M18-1.50 external thread size, plain finish, 10-pack. Key specs: compatible tap size M18-1.50, drill bit size…
SKU 3G-OTH-531786
Also listed as: 217077369 · 217 077369
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
APPROVED VENDOR Mil. Spec. Key-Locking Inserts, Heavy Wall, with 4 keys, M12x1.75 internal thread size and M18-1.50 external thread size, plain finish, 10-pack. Key specs: compatible tap size M18-1.50, drill bit size 16.70 mm, external thread fit 2A, internal thread fit 3B, 18-8 material, meeting Fed Std. H28/21 and MJ Form standards.
Frequently Asked Questions
What is a Mil. Spec. Key-Locking Insert used for?
APPROVED VENDOR Mil. Spec. Key-Locking Inserts are used to repair or reinforce threaded holes in metal assemblies, especially in aerospace and defense applications. The heavy-wall design with 4 keys provides high pull-out resistance, meeting Fed Std. H28/21 and MJ Form standards for critical fastening.
What are the specifications of the APPROVED VENDOR Key Locking Insert 217-077369?
This heavy-wall insert has M12x1.75 internal thread and M18-1.50 external thread, requiring a 16.70 mm drill bit and M18-1.50 tap. It is made of 18-8 stainless steel, plain finish, with external thread fit 2A and internal thread fit 3B, meeting Fed Std. H28/21 and MJ Form standards.
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 with 4 keys, M12x1.75 internal thread, and M18-1.50 external thread to your facility.
How to install a Mil. Spec. Key-Locking Insert?
Drill a 16.70 mm hole, tap it to M18-1.50 using a compatible tap, then thread the insert into the hole. The 4 keys lock into the parent material to prevent rotation. Use a standard installation tool and follow torque specifications for 18-8 stainless steel to avoid galling.
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.