HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain
The HELI-COIL Helical Insert is a free-running, tanged tang style insert with M8-1.25 thread size, right-hand, coarse metric threads, made of Nitronic 60 metal, offering 200,000 psi tensile strength, in a 100-piece…
SKU 3G-OTH-599042
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Product Description
The HELI-COIL Helical Insert is a free-running, tanged tang style insert with M8-1.25 thread size, right-hand, coarse metric threads, made of Nitronic 60 metal, offering 200,000 psi tensile strength, in a 100-piece pack (MPN A1084-8EN120). 3G Electric interprets customer demand and delivers this genuine industrial insert across 14 departments—and far more—with specialist depth in combustion, pumps and controls as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke.
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 threads in metal components. It provides a durable, free-running internal thread for M8-1.25 fasteners, commonly used in automotive, aerospace, and industrial machinery where stripped or worn threads need restoration.
What are the specifications of the HELI-COIL A1084-8EN120 insert?
This HELI-COIL insert has M8-1.25 thread size, right-hand coarse metric threads, and is made of Nitronic 60 metal with 200,000 psi tensile strength. It is a free-running, tanged tang style, plain finish, 8.3 mm length, supplied in a 100-piece pack (MPN A1084-8EN120).
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies genuine HELI-COIL helical inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source and deliver this insert across 14 departments, including specialist expertise in combustion, pumps, and controls.
How to install a HELI-COIL tanged helical insert?
Install a HELI-COIL tanged insert by drilling the stripped hole to the specified tap drill size, tapping with the correct HELI-COIL tap, then winding the insert onto a tang installation tool. After insertion, break off the tang with a punch. Always follow the manufacturer's instructions for torque and depth.
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.









