APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M18-1.50 Int Thrd Sz, 12 mm Overall Lg
The APPROVED VENDOR Self Locking Thread Insert is a heavy-wall automotive self-locking insert with M18-1.50 internal thread size, 12 mm overall length, and a 5-pack quantity. It features coarse thread type, 59/64…
SKU 3G-OTH-535746
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Product Description
The APPROVED VENDOR Self Locking Thread Insert is a heavy-wall automotive self-locking insert with M18-1.50 internal thread size, 12 mm overall length, and a 5-pack quantity. It features coarse thread type, 59/64 drill bit size, compatible tap size of 1"-12, and external/internal thread fits of 2A and 2B respectively, in an inch/metric system.
Frequently Asked Questions
What is an APPROVED VENDOR Self Locking Thread Insert used for?
This heavy-wall thread insert repairs or reinforces tapped holes in automotive and industrial assemblies. It provides a durable M18-1.50 internal thread with self-locking action to resist vibration loosening, extending the life of bolted joints in engines, transmissions, and machinery.
What are the specifications of the APPROVED VENDOR 329-1808-PK5 thread insert?
This 5-pack insert has an M18-1.50 internal thread size, 12 mm overall length, heavy wall, coarse thread type, and 59/64 drill bit size. It requires a 1"-12 tap and provides external thread fit 2A and internal thread fit 2B, in an inch/metric system.
Where to buy APPROVED VENDOR thread inserts worldwide?
3G Electric supplies APPROVED VENDOR self-locking thread inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver the 329-1808-PK5 5-pack to your facility, ensuring you get the correct heavy-wall M18-1.50 insert for your repair.
How to install an APPROVED VENDOR self-locking thread insert?
Drill a 59/64 inch hole, tap it to 1"-12 thread, then thread the insert into the hole using a standard installation tool. The self-locking feature engages after installation, securing the insert against vibration. Follow the manufacturer's torque and depth guidelines for best results.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR automotive self-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









