HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M18-1.50 Thread Size, Plain
The HELI-COIL Helical Insert (MPN R514-6) is a tanged, free-running insert with M18-1.50 fine, right-hand metric threads, made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi. Supplied in…
SKU 3G-OTH-599104
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Helical Insert (MPN R514-6) is a tanged, free-running insert with M18-1.50 fine, right-hand metric threads, made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi. Supplied in a 6-pack, this plain-finish metal insert is designed to restore or reinforce threads in metal assemblies.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert is used to restore or reinforce damaged internal threads in metal assemblies. It provides a durable, free-running thread in applications like automotive, aerospace, and industrial machinery, ensuring a strong, reliable connection without replacing the parent material.
What are the specifications of the HELI-COIL R514-6 insert?
The HELI-COIL R514-6 is a tanged, free-running helical insert with M18-1.50 fine, right-hand metric threads. It is made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi, plain finish, and supplied in a 6-pack. It is designed for metal assemblies.
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 R514-6 to any location, ensuring you get the right thread repair solution for your application.
How to install a HELI-COIL tanged helical insert?
To install a HELI-COIL tanged helical 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 installation tool to wind the insert into the hole. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for best results.
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.









