HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 5/16"-18 Thread Size
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 5/16"-18 thread size, 500 PK (MPN 3585-5CNW469S). This 18-8 stainless steel insert features a Dry Film Lubricant finish, right-hand coarse threads, and a…
SKU 3G-OTH-528908
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Product Description
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 5/16"-18 thread size, 500 PK (MPN 3585-5CNW469S). This 18-8 stainless steel insert features a Dry Film Lubricant finish, right-hand coarse threads, and a tensile strength of 200,000 to 250,000 psi. Designed for metal substrates, it requires an STI tap size of 5/16"-18. 3G Electric interprets demand and delivers this genuine industrial insert across 14 departments, with specialist depth in combustion, pumps and controls.
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 screw-locking tanged helical insert used for?
A HELI-COIL screw-locking tanged helical insert repairs or reinforces tapped threads in metal substrates, preventing fastener loosening under vibration. It is commonly used in automotive, aerospace, and industrial maintenance applications where thread integrity is critical.
What are the specifications of the HELI-COIL 3585-5CNW469S insert?
This HELI-COIL insert has a 5/16"-18 coarse thread size, 18-8 stainless steel material, and a tensile strength of 200,000 to 250,000 psi. It features a Dry Film Lubricant finish, right-hand thread direction, and requires an STI tap size of 5/16"-18. It comes in a 500-piece pack.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies and delivers genuine HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, regardless of location.
How to install a HELI-COIL screw-locking tanged insert?
To install, drill out the damaged thread to the specified STI tap size, tap the hole with the corresponding STI tap, then insert the HELI-COIL using a tang installation tool. 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.









