HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 5/16"-18 Thread Size
The HELI-COIL Helical Insert (SKU 4GDK1) is a tanged tang style, screw-locking helical insert in a plain finish, supplied in a 100-piece pack. It features a 5/16"-18 coarse thread, right-hand direction, and is made…
SKU 3G-OTH-528895
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Product Description
The HELI-COIL Helical Insert (SKU 4GDK1) is a tanged tang style, screw-locking helical insert in a plain finish, supplied in a 100-piece pack. It features a 5/16"-18 coarse thread, right-hand direction, and is made from Nitronic 60 material with a tensile strength of 200,000 psi, compatible with metal substrates. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.
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, 5/16"-18 coarse thread, Nitronic 60 insert provides high-strength threads (200,000 psi tensile) for demanding industrial applications. 3G Electric supplies this genuine insert across 14 departments, with specialist depth in combustion, pumps and controls.
What are the specifications of the HELI-COIL A3585-5EN312 insert?
This HELI-COIL insert has a 5/16"-18 coarse thread, right-hand direction, STI tap size 5/16"-18, and is made from Nitronic 60 material with 200,000 psi tensile strength. It is a screw-locking tanged tang style in plain finish, 100-piece pack, compatible with metal substrates. 3G Electric sources this genuine part for worldwide delivery.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies genuine HELI-COIL helical inserts, including the A3585-5EN312 screw-locking tanged tang style, to customers worldwide. We handle full logistics and customs clearance, ensuring you get the right part for your application. Contact us for availability and lead time on this 5/16"-18 Nitronic 60 insert.
How to install a tanged tang style helical insert?
Install a tanged tang style helical insert by first tapping the hole with the correct STI tap (5/16"-18 for this HELI-COIL insert). Use a tang installation tool to wind the insert into the pre-tapped hole until it sits slightly below the surface. Break off the tang after installation. 3G Electric provides genuine inserts for reliable thread repair.
Used in
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.









