HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size, Plain
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with a #10-32 fine thread size, right-hand thread direction, and a tensile strength of 200,000 psi. Made from Nitronic 60 material, it is…
SKU 3G-OTH-529098
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Product Description
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with a #10-32 fine thread size, right-hand thread direction, and a tensile strength of 200,000 psi. Made from Nitronic 60 material, it is compatible with metal and comes in a 100-piece pack (MPN A3591-3EN190).
Frequently Asked Questions
What is a HELI-COIL screw-locking helical insert used for?
A HELI-COIL screw-locking helical insert repairs or reinforces tapped threads in metal. The Nitronic 60 material provides high tensile strength (200,000 psi) and resists galling. The screw-locking feature prevents fastener loosening under vibration, making it ideal for demanding industrial applications.
What are the specifications of the HELI-COIL A3591-3EN190 insert?
This HELI-COIL insert has a #10-32 fine thread, right-hand direction, and a tensile strength of 200,000 psi. It is made from Nitronic 60, has a plain finish, and is compatible with metal. The pack contains 100 pieces and requires a #10-32 STI tap for installation.
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, customs clearance, and delivery to your location. Contact us to order the A3591-3EN190 or other HELI-COIL thread repair products for your maintenance or production needs.
How to install a HELI-COIL tanged screw-locking insert?
To install a HELI-COIL tanged insert, drill out the damaged thread to the specified size, then tap the hole using the correct STI tap (here #10-32). Use a tang break-off tool to insert the coil, then break off the tang after installation. Always follow the manufacturer's instructions for torque and depth.
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Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL screw-locking tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









