HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 5/16"-18 Thread Size
The HELI-COIL Helical Insert (SKU 4GDK3) is a tanged tang-style, screw-locking helical insert with a 5/16"-18 coarse thread, plain finish, and 200,000 psi tensile strength. Made from Nitronic 60, this inch-system…
SKU 3G-OTH-528887
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Product Description
The HELI-COIL Helical Insert (SKU 4GDK3) is a tanged tang-style, screw-locking helical insert with a 5/16"-18 coarse thread, plain finish, and 200,000 psi tensile strength. Made from Nitronic 60, this inch-system insert is designed for metal substrates and supplied in a 100-piece pack (MPN A3585-5EN625).
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 substrates. This screw-locking, tanged tang-style insert with 5/16"-18 coarse thread provides a strong, wear-resistant thread in aluminum, cast iron, or steel, preventing stripping and extending component life.
What are the specifications of the HELI-COIL A3585-5EN625 insert?
This HELI-COIL insert has a 5/16"-18 coarse thread, 200,000 psi tensile strength, and is made from Nitronic 60. It is a screw-locking, tanged tang-style, plain finish insert for metal substrates, right-hand thread, inch system, supplied in a 100-piece pack (MPN A3585-5EN625).
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, customs clearance, and delivery to your facility. Contact us to order the A3585-5EN625 100-pack or other thread repair inserts for your application.
How to install a HELI-COIL tanged tang-style insert?
Install a HELI-COIL tanged tang-style insert by drilling to the specified STI tap size (5/16"-18), tapping the hole with the corresponding STI tap, then using a tang-style installation tool to wind the insert into the thread. After installation, break off the tang with a punch.
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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.









