HELI-COIL Free-Running Tangless Helical Insert
The HELI-COIL Helical Insert is a free-running tangless insert with a #10-32 thread size, plain finish, and 18-8 material grade. It features a right-hand fine thread, STI tap size #10-32, and a tensile strength of…
SKU 3G-OTH-527325
Also listed as: AT11913C380 · AT1191 3C380
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
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Helical Insert is a free-running tangless insert with a #10-32 thread size, plain finish, and 18-8 material grade. It features a right-hand fine thread, STI tap size #10-32, and a tensile strength of 200,000 to 250,000 psi, compatible with metal substrates. Supplied in a 100-piece pack (MPN AT1191-3C380), this inch-system insert is designed for thread repair or reinforcement in industrial applications.
Frequently Asked Questions
What is a HELI-COIL tangless helical insert used for?
A HELI-COIL tangless helical insert is used for thread repair or reinforcement in metal substrates. It restores damaged internal threads or strengthens new threads in industrial equipment, providing a durable 18-8 stainless steel thread with a tensile strength of 200,000 to 250,000 psi.
What are the specifications of the HELI-COIL AT1191- insert?
The HELI-COIL AT1191- is a free-running tangless insert with #10-32 thread size, fine thread, right-hand direction, and plain finish. It is made of 18-8 stainless steel, requires an STI tap size #10-32, and has a tensile strength of 200,000 to 250,000 psi. Supplied in a 100-pack.
Where to buy HELI-COIL tangless inserts in worldwide?
3G Electric supplies HELI-COIL tangless inserts worldwide, handling logistics, customs, and delivery to your site. As a global industrial solutions provider, we source genuine HELI-COIL parts like the AT1191- and support procurement across 14 industrial departments.
How to install a tangless helical insert?
To install a tangless helical insert, drill the hole to the specified size, tap it with the correct STI tap (e.g., #10-32), then use a tangless installation tool to wind the insert into the thread. No tang removal is needed, simplifying installation. Always follow the manufacturer's instructions for torque and depth.
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.