HELI-COIL Free-Running Tangless Helical Insert, 1/4"-20, Plain, 18-8, 1,000 PK
The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, plain finish insert with a 1/4"-20 coarse thread, right-hand direction, and STI tap size 1/4"-20. Made from 18-8 material grade/class, it offers a…
SKU 3G-OTH-527327
Also listed as: T11854C375S · T1185 4C375S
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 1/4"-20 coarse thread, right-hand direction, and STI tap size 1/4"-20. Made from 18-8 material grade/class, it offers a tensile strength of 200,000 to 250,000 psi and is compatible with metal. Supplied in a 1,000-piece pack (MPN T1185-4C375S), this inch-system insert is designed for thread repair or reinforcement in metal substrates.
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 applications like automotive, aerospace, and industrial machinery, providing a durable, free-running thread with a tensile strength of 200,000 to 250,000 psi.
What are the specifications of the HELI-COIL T1185-4C375S insert?
The HELI-COIL T1185-4C375S is a free-running, tangless helical insert with a 1/4"-20 coarse thread, right-hand direction, and STI tap size 1/4"-20. It is made from 18-8 material, has a plain finish, and offers a tensile strength of 200,000 to 250,000 psi. Supplied in a 1,000-piece pack.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these inserts to your facility. Contact us to order the T1185-4C375S or other HELI-COIL thread repair products for your application.
How to install a tangless helical insert?
To install a tangless helical insert, drill and tap the hole to the specified STI tap size (1/4"-20 for this insert). Use a tangless installation tool to wind the insert into the threaded hole until it sits slightly below the surface. No tang removal is needed, simplifying installation in blind holes.
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.
