HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, 1/4"-20 Thread Size
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-527345
Need installation or engineering help?
Ask a question
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-pack, this inch-system insert is designed for thread repair or reinforcement in metal applications.
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 for thread repair or reinforcement in metal applications. It restores damaged internal threads or strengthens new threads in softer materials, providing a durable, free-running thread. This 1/4"-20 coarse thread insert is ideal for industrial maintenance and production environments.
What are the specifications of the HELI-COIL T1185-4C500S insert?
The HELI-COIL T1185-4C500S 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 with a tensile strength of 200,000 to 250,000 psi, plain finish, and supplied in a 1,000-pack for inch-system metal applications.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine HELI-COIL parts like the T1185-4C500S to industrial buyers. Contact us for availability and lead time to your location.
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 tapped 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.
