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 #10-24 thread size, coarse right-hand threads, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000…
SKU 3G-OTH-599176
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Product Description
The HELI-COIL Helical Insert is a free-running tanged tang style insert with #10-24 thread size, coarse right-hand threads, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 1,000 PK. 3G Electric interprets customer demand and delivers this genuine industrial insert across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor — 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 threads in metal components, providing a durable 18-8 stainless steel thread with tensile strength up to 250,000 psi. It is used across industrial machinery, automotive, and aerospace applications where stripped or worn threads need restoration.
What are the specifications of the HELI-COIL 1185-3CN285S insert?
This HELI-COIL insert is a free-running tanged tang style with #10-24 thread size, coarse right-hand threads, and plain finish. Made from 18-8 metal, it offers tensile strength of 200,000 to 250,000 psi and comes in a 1,000 PK. The manufacturer part number is 1185-3CN285S.
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 genuine HELI-COIL products like the 1185-3CN285S and deliver them to your facility, ensuring you get the right part for your application.
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-style installation tool to wind the insert into the hole. Break off the tang after installation for a permanent thread repair.
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.









