HELI-COIL Free-Running Tangless Helical Insert
The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, plain-finish insert with #2-56 thread size, 18-8 material grade, and tensile strength of 200,000 to 250,000 psi. Supplied in a 1,000 PK, it…
SKU 3G-OTH-527314
Also listed as: T118502C172S · T1185 02C172S
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 (Tangless Tang Style) is a free-running, plain-finish insert with #2-56 thread size, 18-8 material grade, and tensile strength of 200,000 to 250,000 psi. Supplied in a 1,000 PK, it requires a 3/32 drill bit and STI tap size #2-56, compatible with metal substrates. 3G Electric interprets demand and delivers this genuine industrial insert across 14 departments—with specialist depth in combustion, pumps, and controls—ensuring you get the right answer, not a warehouse guess.
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 substrates. It provides a free-running, high-strength thread for #2-56 fasteners, ideal for aerospace, automotive, and industrial assemblies where thread integrity is critical.
What are the specifications of the HELI-COIL T1185-02C172S insert?
This HELI-COIL insert is free-running, tangless, with #2-56 thread size, 18-8 material grade, and tensile strength of 200,000 to 250,000 psi. It requires a 3/32 drill bit and STI tap size #2-56. Supplied in a 1,000 PK with plain finish.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies genuine HELI-COIL helical inserts worldwide. We interpret your demand, source the correct part, and handle logistics and customs for delivery globally. Contact us for availability and lead time on the T1185-02C172S or other thread sizes.
How to install a HELI-COIL Tangless Helical Insert?
Drill a hole using a 3/32 drill bit, tap it with an STI tap size #2-56, then install the insert using a tangless installation tool. The tangless design eliminates the need for tang break-off. Follow HELI-COIL's generic best practices for metal substrates.
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.
