HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-20 Thread Size
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-20 Thread Size, 100 PK (MPN A3585-4CNW500). These 18-8 stainless steel inserts feature a Dry Film Lubricant finish, a tensile strength of 200,000 to…
SKU 3G-OTH-529037
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Product Description
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-20 Thread Size, 100 PK (MPN A3585-4CNW500). These 18-8 stainless steel inserts feature a Dry Film Lubricant finish, a tensile strength of 200,000 to 250,000 psi, and a right-hand coarse thread. Designed for metal substrates, they require an STI Tap Size of 1/4"-20 and are supplied in an inch system of measurement.
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. It provides a strong, wear-resistant thread that resists loosening under vibration. These 18-8 stainless steel inserts are ideal for automotive, aerospace, and industrial maintenance applications where thread integrity is critical.
What are the specifications of the HELI-COIL A3585-4CNW500 insert?
The HELI-COIL A3585-4CNW500 is a tanged, screw-locking helical insert with a 1/4\"-20 coarse thread, right-hand direction, and 18-8 stainless steel construction. It has a tensile strength of 200,000 to 250,000 psi, a Dry Film Lubricant finish, and requires an STI tap size of 1/4\"-20. Supplied 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, customs clearance, and delivery to your facility. Contact us to order the A3585-4CNW500 or other thread repair inserts. We source genuine HELI-COIL products and support your procurement needs internationally.
How to install a HELI-COIL tanged helical insert?
To install a HELI-COIL tanged helical insert, drill out the damaged thread to the specified size, tap the hole using the correct STI tap (1/4\"-20 for this insert), then use a tang installation tool to wind the insert into the tapped hole. Break off the tang after installation. Always follow the manufacturer's instructions for best results.
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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.









