HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain
The HELI-COIL Helical Insert is a tanged, free-running insert with M8-1.25 thread size, right-hand orientation, and coarse thread pitch. Made from 18-8 stainless steel, it has a length of 8.3mm and a tensile strength…
SKU 3G-OTH-599046
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Product Description
The HELI-COIL Helical Insert is a tanged, free-running insert with M8-1.25 thread size, right-hand orientation, and coarse thread pitch. Made from 18-8 stainless steel, it has a length of 8.3mm and a tensile strength range of 200,000 to 250,000 psi. Supplied in a 100-piece pack (MPN A1084-8CN240), this plain-finish insert is designed for metal applications requiring metric thread repair or reinforcement.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces internal threads in metal components. It is ideal for restoring stripped threads in automotive, aerospace, and industrial machinery applications, providing a durable, free-running metric thread with high tensile strength.
What are the specifications of the HELI-COIL M8-1.25 insert?
This HELI-COIL insert has an M8-1.25 thread size, right-hand orientation, and coarse pitch. It is made from 18-8 stainless steel with a length of 8.3mm and tensile strength of 200,000 to 250,000 psi. Supplied in a 100-piece pack (MPN A1084-8CN240).
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine HELI-COIL inserts to your facility, ensuring you get the correct thread repair solution for your application.
How to install a HELI-COIL tanged insert?
To install a HELI-COIL tanged insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct HELI-COIL tap, then use a tang-break tool to insert the coil. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for best results.
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Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL free-running tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









