HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain
The HELI-COIL Helical Insert (MPN 1084-8CN080S) is a free-running, tanged tang style insert with an M8-1.25 thread size, right-hand orientation, and coarse thread pitch. Made from 18-8 stainless steel, it has a…
SKU 3G-OTH-599038
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The HELI-COIL Helical Insert (MPN 1084-8CN080S) is a free-running, tanged tang style insert with an M8-1.25 thread size, right-hand orientation, and coarse thread pitch. Made from 18-8 stainless steel, it has a tensile strength of 200,000 to 250,000 psi and an 8.3mm length, supplied in a 500-piece pack.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces tapped threads in metal, preventing stripping in soft materials like aluminum. It provides a durable, free-running stainless steel thread for M8-1.25 fasteners, ideal for automotive, aerospace, and industrial maintenance applications.
What are the specifications of the HELI-COIL 1084-8CN080S insert?
The HELI-COIL 1084-8CN080S is a free-running, tanged tang style insert with M8-1.25 thread size, right-hand orientation, and coarse pitch. Made from 18-8 stainless steel, it has a tensile strength of 200,000 to 250,000 psi and an 8.3mm length, supplied in a 500-piece pack.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine HELI-COIL products like the 1084-8CN080S to any location, ensuring compliance and timely delivery.
How to install a HELI-COIL tanged tang insert?
To install a HELI-COIL tanged tang insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct HELI-COIL tap, then wind the insert onto the installation tool until it is below the surface. Break off the tang with a punch for a permanent, free-running thread.
Used in
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.









