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 in a 1,000-piece pack, with a 1/4"-20 coarse thread, right-hand direction, and STI tap size of 1/4"-20. Made from 18-8…
SKU 3G-OTH-527348
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Product Description
The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, plain finish insert in a 1,000-piece pack, with a 1/4"-20 coarse thread, right-hand direction, and STI tap size of 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. 3G Electric interprets demand and delivers this genuine industrial insert across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
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 repairs or reinforces threads in metal. It provides a strong, free-running internal thread for 1/4"-20 fasteners, ideal for automotive, aerospace, and industrial maintenance applications where stripped threads need a durable, high-strength solution.
What are the specifications of the HELI-COIL T1185-4C250S insert?
This HELI-COIL insert has a 1/4"-20 coarse thread, right-hand direction, and STI tap size of 1/4"-20. It is made from 18-8 stainless steel with a plain finish, offering tensile strength of 200,000 to 250,000 psi. The pack contains 1,000 pieces.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies and delivers genuine HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives reliably. Contact us for availability and lead time on the T1185-4C250S or other part numbers.
How to install a HELI-COIL Tangless insert?
To install a HELI-COIL Tangless insert, drill out the damaged thread to the specified STI tap size (1/4"-20), tap the hole, then use a tangless installation tool to wind the insert into place. The tangless design eliminates the need for tang break-off, simplifying installation in metal substrates.
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.
