APPROVED VENDOR Key Locking Insert: Thin Wall, 4 Keys, M12x1.75 Int Thrd Sz, M16x1.5 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a thin-wall steel insert with 4 keys, M12x1.75 internal thread size and M16x1.5 external thread size, supplied in a 10-pack. It features a zinc phosphate finish, C1215…
SKU 3G-OTH-528459
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Product Description
The APPROVED VENDOR Key Locking Insert is a thin-wall steel insert with 4 keys, M12x1.75 internal thread size and M16x1.5 external thread size, supplied in a 10-pack. It features a zinc phosphate finish, C1215 material grade, 2A external thread fit, 2B internal thread fit, and requires a 13-1/2 mm drill bit with M16x1.5 compatible tap size (MPN 215-065956).
Frequently Asked Questions
What is a key locking insert used for?
A key locking insert repairs or reinforces tapped holes in soft materials like aluminum or cast iron. The external keys lock the insert into the parent material, preventing rotation under load. This APPROVED VENDOR thin-wall steel insert with M12x1.75 internal thread is ideal for restoring threads in automotive, industrial machinery, and heavy equipment applications.
What are the specifications of the APPROVED VENDOR key locking insert?
This thin-wall steel insert has 4 keys, M12x1.75 internal thread, M16x1.5 external thread, C1215 material grade, zinc phosphate finish, 2A external thread fit, and 2B internal thread fit. It requires a 13-1/2 mm drill bit and M16x1.5 tap. Supplied in a 10-pack, MPN 215-065956.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies APPROVED VENDOR key locking inserts worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 10-pack thin-wall steel insert with M12x1.75 internal thread (MPN 215-065956).
How to install a key locking insert?
Drill out the damaged thread to 13-1/2 mm, tap the hole with an M16x1.5 tap, then screw the insert in using a drive tool until it sits slightly below the surface. The 4 external keys lock into the parent material. Use thread locker on the external threads for vibration resistance. Always follow the manufacturer's torque specifications.
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Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR steel key-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









