HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M14-1.25 Thread Size, Plain
The HELI-COIL Helical Insert is a free-running tanged tang style insert with M14-1.25 fine metric thread, right-hand orientation, made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi…
SKU 3G-OTH-599062
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Product Description
The HELI-COIL Helical Insert is a free-running tanged tang style insert with M14-1.25 fine metric thread, right-hand orientation, made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi. Supplied in a 6-pack with plain finish, this insert is designed to repair or reinforce threads in metal assemblies.
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 damaged internal threads in metal assemblies. It restores original thread strength in applications like engine blocks, transmission housings, and industrial machinery, providing a durable, corrosion-resistant thread in 18-8 stainless steel.
What are the specifications of the HELI-COIL M14-1.25 insert?
This HELI-COIL insert has an M14-1.25 fine metric thread, right-hand orientation, and a tensile strength of 200,000 to 250,000 psi. It is made from 18-8 stainless steel with a plain finish, supplied in a 6-pack. The tang style allows easy installation and removal of the tang after insertion.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine HELI-COIL products to your facility. Contact us for pricing and lead time on the M14-1.25 6-pack (MPN R513-13).
How to install a HELI-COIL tanged helical insert?
To install a HELI-COIL tanged 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 into the hole using a tang installation tool. After insertion, break off the tang with a punch. Always follow the manufacturer's instructions for best results.
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.









