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 has a tensile strength of 200,000 to 250,000 psi, right-hand thread direction, and…
SKU 3G-OTH-527340
Also listed as: T11913C285S · T1191 3C285S
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 #10-32 thread size, plain finish, and 18-8 material grade. It has a tensile strength of 200,000 to 250,000 psi, right-hand thread direction, and is compatible with metal. Supplied in a 1,000-piece pack (MPN T1191-3C285S), this inch-system insert is designed for fine thread applications.
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. It provides a durable, free-running internal thread for #10-32 fasteners, ideal for automotive, aerospace, and industrial maintenance applications where stripped threads need restoration.
What are the specifications of the HELI-COIL T1191-3C285S insert?
This HELI-COIL insert has a #10-32 fine thread, 18-8 stainless steel material, plain finish, and tensile strength of 200,000 to 250,000 psi. It is right-hand threaded, inch-system, and supplied in a 1,000-piece pack. The STI tap size is #10-32.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial sourcing partner, we handle logistics, customs, and delivery to your location. Contact us to order the T1191-3C285S or other HELI-COIL thread repair inserts for your application.
How to install a tangless helical insert?
To install a tangless helical insert, drill to the specified STI tap size (#10-32), tap the hole, then use a tangless installation tool to wind the insert into place. No break-off tang means no post-installation removal step. Follow HELI-COIL guidelines for best results.
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.
