HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, 1/4"-28 Thread Size
The HELI-COIL Helical Insert is a free-running, tangless tang style insert with a 1/4"-28 fine thread size, plain finish, and 18-8 material grade. It offers a tensile strength of 200,000 to 250,000 psi, is compatible…
SKU 3G-OTH-527354
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Product Description
The HELI-COIL Helical Insert is a free-running, tangless tang style insert with a 1/4"-28 fine thread size, plain finish, and 18-8 material grade. It offers a tensile strength of 200,000 to 250,000 psi, is compatible with metal, and comes in a 1,000 PK. 3G Electric interprets your demand for threaded repair and reinforcement solutions, sourcing this insert alongside components across 14 industrial departments, with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is a HELI-COIL tangless helical insert used for?
A HELI-COIL tangless helical insert repairs or reinforces internal threads in metal components. It is commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads or strengthen connections in soft materials like aluminum. 3G Electric sources this insert alongside fastening solutions across 14 industrial departments.
What are the specifications of the HELI-COIL T1191-4C375S insert?
This HELI-COIL insert has a 1/4"-28 fine thread size, right-hand direction, and 18-8 material grade. It is free-running with a tangless tang style, plain finish, and tensile strength of 200,000 to 250,000 psi. The STI tap size is 1/4"-28, and it comes in a 1,000 PK. Compatible with metal substrates.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to order the T1191-4C375S or other threaded repair components. We source across 14 departments, including combustion, pumps, and controls.
How to install a tangless helical insert?
To install a tangless helical insert, drill the hole to the specified STI tap size (1/4"-28 for this insert), tap the threads, then use a tangless installation tool to wind the insert into the hole. No tang removal is needed. Ensure the insert is flush or slightly below the surface. 3G Electric can advise on tooling.
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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.
