HELI-COIL Free-Running Tangless Helical Insert
The HELI-COIL Helical Insert is a free-running tangless insert with a 1/4"-28 fine thread, plain finish, and right-hand direction. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi…
SKU 3G-OTH-527331
Also listed as: T11914C250S · T1191 4C250S
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The HELI-COIL Helical Insert is a free-running tangless insert with a 1/4"-28 fine thread, plain finish, and right-hand direction. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, compatible with metal, and supplied in a 1,000-pack (MPN T1191-4C250S).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a HELI-COIL Tangless Helical Insert used for?
A HELI-COIL Tangless Helical Insert is used to repair or reinforce internal threads in metal components, providing a strong, wear-resistant thread. It is ideal for applications requiring high tensile strength, such as automotive, aerospace, and industrial machinery, where the 1/4"-28 fine thread ensures secure fastening.
What are the specifications of the HELI-COIL T1191-4C250S insert?
The HELI-COIL T1191-4C250S is a free-running tangless insert with a 1/4"-28 fine thread, plain finish, and right-hand direction. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, compatible with metal, and supplied in a 1,000-pack. The STI tap size is 1/4"-28.
Where to buy HELI-COIL helical inserts in worldwide?
You can buy HELI-COIL helical inserts worldwide through 3G Electric, which sources and delivers genuine industrial parts globally. As a supplier, 3G Electric handles full logistics and customs clearance to ensure your order arrives reliably, no matter your location.
How to install a tangless helical insert like the HELI-COIL T1191-4C250S?
To install a tangless helical insert, first drill and tap the hole to the specified STI tap size (1/4"-28). 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 the process for metal repairs.
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.
