HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #4-40 Thread Size
The HELI-COIL Helical Insert is a Tangless Tang Style, Screw-Locking insert with a #4-40 thread size, 100 PK, and a Dry Film Lubricant finish. It features an 18-8 material grade, Right Hand thread direction, Coarse…
SKU 3G-OTH-532461
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Helical Insert is a Tangless Tang Style, Screw-Locking insert with a #4-40 thread size, 100 PK, and a Dry Film Lubricant finish. It features an 18-8 material grade, Right Hand thread direction, Coarse thread type, and a tensile strength of 200,000 to 250,000 psi, compatible with metal materials.
Frequently Asked Questions
What is a HELI-COIL Tangless Screw-Locking Helical Insert used for?
HELI-COIL Tangless Screw-Locking Helical Inserts are used to repair or reinforce internal threads in metal components, providing a strong, wear-resistant thread that resists loosening under vibration. The screw-locking feature eliminates the need for separate locking compounds, making it ideal for aerospace, automotive, and industrial applications.
What are the specifications of the HELI-COIL AT3585-04CW112 insert?
The HELI-COIL AT3585-04CW112 is a #4-40 thread size, coarse thread, right-hand, screw-locking tangless insert made from 18-8 stainless steel with a dry film lubricant finish. It has a tensile strength of 200,000 to 250,000 psi and comes in a 100-piece pack. It requires an STI tap size of #4-40.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine HELI-COIL parts like the AT3585-04CW112 and deliver them to your facility, ensuring compliance with local import requirements.
How to install a tangless screw-locking helical insert?
To install a HELI-COIL tangless screw-locking insert, first tap the hole to the specified STI tap size (#4-40). Use a tangless installation tool to wind the insert into the tapped hole until it is slightly below the surface. No tang removal is needed, as the tangless design eliminates the break-off step. 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 tangless helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
