HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #4-40 Thread Size, Plain
3G Electric supplies the HELI-COIL Helical Insert: Tanged Tang Style, a free-running tanged helical insert with #4-40 thread size, right-hand, coarse thread, plain finish, in a 100-piece pack (MPN A1185-04CN168)…
SKU 3G-OTH-598865
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Product Description
3G Electric supplies the HELI-COIL Helical Insert: Tanged Tang Style, a free-running tanged helical insert with #4-40 thread size, right-hand, coarse thread, plain finish, in a 100-piece pack (MPN A1185-04CN168). Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi. We interpret your thread-repair needs, source the correct insert, and support your application across 14 industrial departments — with specialist depth in fastening and assembly solutions.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal. This free-running tanged style with #4-40 thread size restores stripped holes in aluminum, cast iron, or steel components. 3G Electric supplies this insert for applications across 14 industrial departments, including machining and assembly.
What are the specifications of the HELI-COIL A1185-04CN168 insert?
This HELI-COIL insert is a free-running tanged style with #4-40 thread size, right-hand coarse thread, plain finish, made from 18-8 metal. It offers tensile strength of 200,000 to 250,000 psi and comes in a 100-piece pack (MPN A1185-04CN168).
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. We interpret your thread-repair requirements, source the correct insert like the A1185-04CN168, and handle logistics, customs, and delivery to your location globally. Contact us for availability and lead time.
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 wind the insert onto the installation tool and screw it into the tapped hole. Break off the tang after installation. 3G Electric supports your application with sourcing and technical guidance.
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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.









