HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M4-0.70 Thread Size
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with M4-0.70 thread size, 100 PK, and a dry film lubricant finish. It features a tensile strength of 200,000 to 250,000 psi, requires a 4.2mm…
SKU 3G-OTH-529005
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Product Description
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with M4-0.70 thread size, 100 PK, and a dry film lubricant finish. It features a tensile strength of 200,000 to 250,000 psi, requires a 4.2mm drill bit and M4-0.70 STI tap, and is made from 18-8 material for metal compatibility.
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 components. It provides a durable, screw-locking thread for M4-0.70 fasteners, ideal for automotive, aerospace, and industrial maintenance applications where stripped threads need restoration.
What are the specifications of the HELI-COIL A4184-4CNW080 insert?
This HELI-COIL insert has an M4-0.70 thread size, 18-8 material grade, tensile strength of 200,000 to 250,000 psi, and requires a 4.2mm drill bit with an M4-0.70 STI tap. It is a tanged tang-style, screw-locking type with dry film lubricant finish, 100 pieces per pack.
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 genuine HELI-COIL products like the A4184-4CNW080 to any international destination.
How to install a HELI-COIL tanged helical insert?
To install, drill a 4.2mm hole, tap it with an M4-0.70 STI tap, then use a tang installation tool to insert the HELI-COIL coil. After installation, break off the tang. Ensure the metal surface is clean and lubricated for proper screw-locking engagement.
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.









