HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #4-40 Thread Size, Plain
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert for #4-40 coarse threads, supplied in a 100-piece pack. Made from Nitronic 60 with a tensile strength of 200,000 psi, it is compatible with…
SKU 3G-OTH-529067
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Product Description
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert for #4-40 coarse threads, supplied in a 100-piece pack. Made from Nitronic 60 with a tensile strength of 200,000 psi, it is compatible with metal substrates and uses a right-hand thread direction. This inch-system insert requires an STI tap size of #4-40 and has a plain finish.
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 internal threads in metal substrates. This screw-locking, tanged tang-style insert for #4-40 coarse threads provides strong, wear-resistant threads in applications like automotive, aerospace, and industrial machinery.
What are the specifications of the HELI-COIL A3585-04EN224 insert?
This HELI-COIL insert has a #4-40 thread size, coarse thread type, right-hand direction, and requires an STI tap size of #4-40. It is made from Nitronic 60 with a tensile strength of 200,000 psi, has a plain finish, and comes 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 to deliver this #4-40 screw-locking insert to your facility. Contact us for availability and lead time.
How to install a tanged helical insert?
To install a HELI-COIL tanged insert, drill the hole to the specified size, tap it using the correct STI tap (here #4-40), then use a tang break-off tool to insert the coil. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for best results.
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.









