HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-20 Thread Size, Plain
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert in a plain finish, supplied in a 100-piece pack. It features a 1/4"-20 coarse right-hand thread, is made from Nitronic 60 material with a…
SKU 3G-OTH-529041
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Product Description
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert in a plain finish, supplied in a 100-piece pack. It features a 1/4"-20 coarse right-hand thread, is made from Nitronic 60 material with a tensile strength of 200,000 psi, and is compatible with metal substrates. This inch-system insert requires an STI tap size of 1/4"-20 (MPN A3585-4EN375).
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. This screw-locking tanged tang style, 1/4"-20 coarse thread, prevents loosening under vibration. It is used in automotive, aerospace, and industrial maintenance to restore stripped threads with a tensile strength of 200,000 psi.
What are the specifications of the HELI-COIL A3585-4EN375 insert?
This HELI-COIL insert has a 1/4"-20 coarse right-hand thread, made from Nitronic 60 material with a tensile strength of 200,000 psi. It is a screw-locking tanged tang style in plain finish, compatible with metal substrates, and requires an STI tap size of 1/4"-20. Supplied in a 100-piece pack.
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 and customs clearance for delivery to any location. Contact us to order the A3585-4EN375 screw-locking tanged insert in a 100-piece 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 (1/4"-20 for this insert), then use a tang-style installation tool to wind the insert into the hole. Break off the tang after installation for a secure, screw-locking thread.
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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.









