HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 5/16"-18 Thread Size
The HELI-COIL Helical Insert (SKU 4GDK2) is a tanged tang-style, screw-locking insert in a plain finish, supplied in a 100-piece pack. It features a 5/16"-18 coarse, right-hand thread, is made from Nitronic 60 with a…
SKU 3G-OTH-529024
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Product Description
The HELI-COIL Helical Insert (SKU 4GDK2) is a tanged tang-style, screw-locking insert in a plain finish, supplied in a 100-piece pack. It features a 5/16"-18 coarse, right-hand thread, is made from Nitronic 60 with a tensile strength of 200,000 psi, and is compatible with metal substrates.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal substrates. The screw-locking version resists vibration loosening. It is commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads or strengthen connections in aluminum or other soft metals.
What are the specifications of the HELI-COIL A3585-5EN469 insert?
This HELI-COIL insert has a 5/16"-18 coarse thread, right-hand direction, and is made from Nitronic 60 with a tensile strength of 200,000 psi. It is a tanged tang-style, screw-locking type in a plain finish, supplied in a 100-piece pack. It requires an STI tap size of 5/16"-18.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these inserts to your facility. Contact us for pricing and lead time on the A3585-5EN469 100-pack.
How to install a HELI-COIL tanged helical insert?
To install a HELI-COIL tanged insert, drill out the damaged thread to the specified size, tap the hole using the correct STI tap (5/16"-18 for this insert), then wind the insert onto the installation tool and thread it into the tapped hole. Break off the tang after installation.
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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.









