HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/4"-20 Thread Size, Plain
The HELI-COIL Helical Insert is a tanged tang-style, free-running insert with a 1/4"-20 thread size, right-hand, coarse thread, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 to…
SKU 3G-OTH-598916
Also listed as: 11854CN500S · 1185 4CN500S
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The HELI-COIL Helical Insert is a tanged tang-style, free-running insert with a 1/4"-20 thread size, right-hand, coarse thread, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 500-piece pack (MPN 1185-4CN500S).
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 with 200,000 to 250,000 psi tensile strength. It is commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads or strengthen soft materials.
What are the specifications of the HELI-COIL 1185-4CN500S insert?
This HELI-COIL insert is a free-running, tanged tang-style with a 1/4"-20 coarse thread, right-hand orientation, and plain finish. Made from 18-8 metal, it offers 200,000 to 250,000 psi tensile strength and comes in a 500-piece pack (MPN 1185-4CN500S).
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 1185-4CN500S to any location, ensuring compliance with international shipping requirements.
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 the installation tool to wind the insert into the hole. Break off the tang after installation for a permanent, free-running thread.
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.
