HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/4"-28 Thread Size, Plain
The HELI-COIL Helical Insert is a free-running, tanged tang style insert with a 1/4"-28 thread size, right-hand orientation, and fine thread pitch. Made from 18-8 metal, it offers a tensile strength range of 200,000…
SKU 3G-OTH-599094
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Product Description
The HELI-COIL Helical Insert is a free-running, tanged tang style insert with a 1/4"-28 thread size, right-hand orientation, and fine thread pitch. Made from 18-8 metal, it offers a tensile strength range of 200,000 to 250,000 psi and comes in a plain finish, packaged as a 100-piece set (MPN A1191-4CN250).
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 helical insert used for?
A HELI-COIL helical insert repairs or reinforces tapped threads in metal, providing a durable 18-8 stainless steel thread. It is commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads or strengthen connections in softer materials.
What are the specifications of the HELI-COIL A1191-4CN250 insert?
This HELI-COIL insert is a free-running, tanged tang style with a 1/4"-28 fine thread, right-hand orientation, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 100-piece pack (MPN A1191-4CN250).
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine parts like the A1191-4CN250 to any location, ensuring compliance and timely delivery for your maintenance needs.
How to install a HELI-COIL tanged tang insert?
To install a HELI-COIL tanged tang insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct HELI-COIL tap, then wind the insert in using a tang installation tool. After installation, break off the tang with a punch for a secure, reusable thread.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL free-running tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
