APPROVED VENDOR Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain
The APPROVED VENDOR Helical Insert is a free-running tanged tang style insert with M8-1.25 coarse right-hand threads, made from 18-8 metal and rated to 200,000 psi. Supplied in a plain finish, 10-pack (MPN…
SKU 3G-OTH-599041
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Helical Insert is a free-running tanged tang style insert with M8-1.25 coarse right-hand threads, made from 18-8 metal and rated to 200,000 psi. Supplied in a plain finish, 10-pack (MPN 3520-8.00X1.5D), it provides a reliable thread repair or reinforcement solution for metric applications.
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 helical insert used for?
The APPROVED VENDOR helical insert repairs or reinforces stripped internal threads in metal components. Its free-running tanged tang design allows easy installation in metric M8-1.25 coarse applications, restoring thread strength to 200,000 psi. It is commonly used in automotive, machinery, and industrial equipment maintenance.
What are the specifications of the APPROVED VENDOR helical insert 3520-8.00X1.5D?
This helical insert has M8-1.25 coarse right-hand threads, is made from 18-8 metal, and rated to 200,000 psi. It comes in a plain finish, metric size, and is supplied as a 10-pack. The tang style is tanged for free-running installation, suitable for thread repair in metal substrates.
Where to buy APPROVED VENDOR helical inserts worldwide?
3G Electric supplies APPROVED VENDOR helical inserts worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the M8-1.25 10-pack (MPN 3520-8.00X1.5D) or other thread repair inserts for your application.
How to install a tanged helical insert?
To install a tanged helical insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct STI tap, then use a tang installation tool to wind the insert into the hole until it sits slightly below the surface. Break off the tang after installation for a free-running thread.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR free-running tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









