HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M3-0.50 Thread Size, Plain
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with M3-0.50 thread size, plain finish, and right-hand coarse threads. Supplied in a 1,000-piece pack, it is made from 18-8 material with a…
SKU 3G-OTH-528909
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Product Description
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with M3-0.50 thread size, plain finish, and right-hand coarse threads. Supplied in a 1,000-piece pack, it is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, requiring a 3.15mm drill bit and M3-0.50 STI tap for installation in metal.
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 insert with M3-0.50 thread size prevents loosening under vibration. It is commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads or strengthen aluminum components.
What are the specifications of the HELI-COIL 4184-3CN045S insert?
This HELI-COIL insert has an M3-0.50 thread size, right-hand coarse threads, and a plain finish. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi. Installation requires a 3.15mm drill bit and an M3-0.50 STI tap. Supplied in a 1,000-piece 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 these M3-0.50 screw-locking inserts to your facility. Contact us for pricing and lead time on the 4184-3CN045S part number.
How to install a HELI-COIL tanged tang-style insert?
To install this HELI-COIL insert, drill a hole using a 3.15mm bit, then tap it with an M3-0.50 STI tap. Insert the tang end into the driver tool and wind the coil into the threaded hole. After installation, break off the tang with a punch. Use in metal 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.









