HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M16-2.00 Thread Size
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with M16-2.00 thread size, plain finish, and 18-8 material grade. It requires an STI tap size of M16-2.00 and a 16.5mm drill bit, with a…
SKU 3G-OTH-528886
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Product Description
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with M16-2.00 thread size, plain finish, and 18-8 material grade. It requires an STI tap size of M16-2.00 and a 16.5mm drill bit, with a tensile strength of 200,000 to 250,000 psi. Supplied in a 100 PK, this right-hand, coarse-thread insert is compatible with metal and uses metric measurement.
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 threaded holes in metal. It provides a strong, wear-resistant thread for fasteners, especially in soft materials like aluminum. The screw-locking version resists vibration loosening, making it ideal for automotive, aerospace, and industrial maintenance applications.
What are the specifications of the HELI-COIL M16-2.00 insert?
This HELI-COIL insert has an M16-2.00 thread size, 18-8 stainless steel material, and a tensile strength of 200,000 to 250,000 psi. It requires an STI tap size of M16-2.00 and a 16.5mm drill bit. The plain finish, right-hand thread, and screw-locking tang style suit metal substrates.
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 genuine HELI-COIL products to your facility. Contact us for pricing and lead time on the M16-2.00 screw-locking insert (MPN A4184-16CN160).
How to install a HELI-COIL tanged insert?
To install a HELI-COIL tanged insert, drill a hole to 16.5mm, tap it with an M16-2.00 STI tap, then use a tang-style installation tool to wind the insert into the tapped hole. After installation, break off the tang with a punch. Ensure the hole is clean and lubricated for proper thread engagement.
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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.









