HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1 1/8"-7 Thread Size
The HELI-COIL Helical Insert (SKU 4EXG6) is a tanged tang style, screw-locking helical insert made from 18-8 stainless steel with a plain finish. It features a 1 1/8"-7 coarse thread size, right-hand thread…
SKU 3G-OTH-528811
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Helical Insert (SKU 4EXG6) is a tanged tang style, screw-locking helical insert made from 18-8 stainless steel with a plain finish. It features a 1 1/8"-7 coarse thread size, right-hand thread direction, and a tensile strength of 200,000 to 250,000 psi, designed for use with metal materials. 3G Electric interprets customer demand and delivers this genuine industrial insert across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces tapped threads in metal. This screw-locking, tanged tang style insert for 1 1/8"-7 coarse threads provides a strong, wear-resistant thread in softer materials, preventing stripping and extending component life.
What are the specifications of the HELI-COIL 3585-18CN1688 insert?
This HELI-COIL insert has a 1 1/8"-7 coarse thread size, right-hand direction, and is made from 18-8 stainless steel with a plain finish. It offers a tensile strength of 200,000 to 250,000 psi and requires an STI tap size of 1-1/8"-7 for installation.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies and delivers genuine HELI-COIL helical inserts worldwide. We handle full logistics and customs clearance, ensuring you receive the correct insert for your application across 14 industrial departments, with specialist expertise in combustion, pumps, and controls.
How to install a HELI-COIL tanged helical insert?
To install a HELI-COIL tanged insert, drill out the damaged thread to the specified size, tap the hole using the correct STI tap (1-1/8"-7 for this insert), then use a tang installation tool to wind the insert into the tapped hole. Break off the tang after installation.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL screw-locking tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
