HELI-COIL Free-Running Tangless Helical Insert
The HELI-COIL Helical Insert is a free-running tangless insert with a #4-40 thread size, plain finish, and right-hand coarse thread. Made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, it is…
SKU 3G-OTH-527352
Also listed as: T118504C224S · T1185 04C224S
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The HELI-COIL Helical Insert is a free-running tangless insert with a #4-40 thread size, plain finish, and right-hand coarse thread. Made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, it is compatible with metal and comes in a 1,000-piece pack (MPN T1185-04C224S).
Frequently Asked Questions
What is a HELI-COIL tangless helical insert used for?
A HELI-COIL tangless helical insert repairs or strengthens threads in metal. The tangless design eliminates the need to break off a tang after installation, saving time. It is commonly used in aerospace, automotive, and industrial applications where reliable, high-strength threads are required.
What are the specifications of the HELI-COIL T1185-04C224S insert?
This HELI-COIL insert has a #4-40 thread size, coarse right-hand thread, and plain finish. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi. The STI tap size is #4-40, and it is compatible with metal. It comes in a 1,000-piece pack.
Where to buy HELI-COIL tangless inserts worldwide?
3G Electric supplies HELI-COIL tangless inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver to your location. Contact us for pricing and lead time on the T1185-04C224S or other HELI-COIL part numbers.
How to install a HELI-COIL tangless helical insert?
To install a HELI-COIL tangless insert, drill the hole to the specified size, tap it using the correct STI tap (e.g., #4-40), then use a tangless installation tool to wind the insert into the tapped hole. No tang removal is needed. Follow the manufacturer's instructions for best results.
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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.
