HELI-COIL Free-Running Tangless Helical Insert
The HELI-COIL Helical Insert is a free-running tangless insert with a #6-32 thread size, coarse right-hand thread, and plain finish. Made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, it is…
SKU 3G-OTH-527317
Also listed as: AT118506C138 · AT1185 06C138
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The HELI-COIL Helical Insert is a free-running tangless insert with a #6-32 thread size, coarse right-hand thread, and plain finish. Made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, it is compatible with metal and comes in a 100-piece pack (MPN AT1185-06C138).
Frequently Asked Questions
What is a HELI-COIL tangless helical insert used for?
A HELI-COIL tangless helical insert repairs or reinforces threads in metal. The tangless design eliminates the need for a break-off tang, simplifying installation. It is ideal for restoring stripped threads in automotive, aerospace, and industrial applications where a strong, free-running internal thread is required.
What are the specifications of the HELI-COIL AT1185-06C138 insert?
This HELI-COIL insert has a #6-32 thread size, coarse right-hand thread, and plain finish. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi. The STI tap size is #6-32, and it is compatible with metal. The pack contains 100 pieces.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to order the AT1185-06C138 or other HELI-COIL thread repair inserts for your application.
How to install a tangless helical insert?
To install a tangless helical insert, drill the hole to the specified STI tap size, then tap threads using the correct STI tap. Insert the coil using a tangless installation tool, which drives the coil into place without a break-off tang. Ensure the insert is flush or slightly below the surface for proper thread engagement.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL free-running tangless helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
