HELI-COIL Free-Running Tangless Helical Insert
The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, plain-finish insert with a #2-56 thread size, right-hand coarse thread, and 18-8 material grade. It requires a 3/32 drill bit and #2-56 STI tap…
SKU 3G-OTH-527344
Also listed as: T118502C129S · T1185 02C129S
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 (Tangless Tang Style) is a free-running, plain-finish insert with a #2-56 thread size, right-hand coarse thread, and 18-8 material grade. It requires a 3/32 drill bit and #2-56 STI tap, offers tensile strength of 200,000 to 250,000 psi, and is compatible with metal. Supplied in a 1,000-pack (MPN T1185-02C129S), this inch-system insert is designed for metal 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 #2-56 fasteners, ideal for aerospace, automotive, and industrial applications where stripped or worn threads need restoration without replacing the parent component.
What are the specifications of the HELI-COIL T1185-02C129S insert?
This HELI-COIL insert is a free-running, tangless style with #2-56 thread size, right-hand coarse thread, and 18-8 stainless steel material. It requires a 3/32 drill bit and #2-56 STI tap, offers tensile strength of 200,000 to 250,000 psi, and comes in a 1,000-pack with plain finish.
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 clearance, and delivery to your facility. Contact us for pricing and lead time on the T1185-02C129S or other HELI-COIL thread repair inserts.
How to install a HELI-COIL tangless helical insert?
To install a HELI-COIL tangless insert, drill a hole using a 3/32 drill bit, tap it with a #2-56 STI tap, then use a tangless installation tool to wind the insert into the tapped hole. The tangless design eliminates the need for tang break-off, simplifying installation in metal components.
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.
