HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-24 Thread Size, Plain
The HELI-COIL Helical Insert is a free-running, tanged tang style insert with a #10-24 thread size, right-hand, coarse thread, and plain finish. Made from 18-8 metal with a tensile strength of 200,000 to 250,000 psi…
SKU 3G-OTH-599097
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Helical Insert is a free-running, tanged tang style insert with a #10-24 thread size, right-hand, coarse thread, and plain finish. Made from 18-8 metal with a tensile strength of 200,000 to 250,000 psi, it comes in a 1,000-piece pack (MPN 1185-3CN380S).
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces tapped threads in metal, providing a durable 18-8 stainless steel thread for #10-24 fasteners. It is used across machining, automotive, and industrial maintenance applications where stripped or worn threads need restoration without replacing the parent component.
What are the specifications of the HELI-COIL 1185-3CN380S insert?
This HELI-COIL insert is a free-running, tanged tang style with #10-24 thread size, right-hand, coarse thread, and plain finish. It is made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi, and comes in a 1,000-piece pack (MPN 1185-3CN380S).
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine HELI-COIL inserts like the 1185-3CN380S to customers in any region, with lead time on request.
How to install a HELI-COIL tanged helical 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-off tool to insert the coil. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for thread size and tooling.
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.









