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. It features a dry film lubricant finish, 18-8 material grade, and a tensile strength of 200,000 to 250,000…
SKU 3G-OTH-529096
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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. It features a dry film lubricant finish, 18-8 material grade, and a tensile strength of 200,000 to 250,000 psi. This metric, right-hand thread insert requires an STI tap size of M4-0.70 and a 4.2mm drill bit, compatible with metal materials.
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 tapped threads in metal. This screw-locking, tanged tang style M4-0.70 insert 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 A4184-4CNW060 insert?
This HELI-COIL insert has an M4-0.70 thread size, 18-8 material grade, and tensile strength of 200,000 to 250,000 psi. It requires an STI tap size of M4-0.70 and a 4.2mm drill bit. The finish is dry film lubricant, and it comes in a 100-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 this M4-0.70 screw-locking insert to your facility. Contact us for a quote and delivery timeline.
How to install a HELI-COIL tanged tang insert?
To install a HELI-COIL tanged tang insert, drill a 4.2mm hole, tap it with an M4-0.70 STI tap, then use a tang installation tool to wind the insert into the thread. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for best results.
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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.









