HELI-COIL Screw-Locking Tanged Helical Insert
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with a 7/8"-9 coarse thread, 7/8 in overall length, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 material, it is designed…
SKU 3G-OTH-528860
Also listed as: 358514CN875 · 3585 14CN875
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with a 7/8"-9 coarse thread, 7/8 in overall length, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 material, it is designed for right-hand threading in metal and requires an STI tap size of 7/8"-9. 3G Electric interprets your demand for this OEM-specified insert, sources it across 14 industrial departments, and supports your application with specialist depth in fastening and assembly solutions.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces tapped threads in metal, providing a durable, screw-locking coarse thread for high-stress applications. It is ideal for aerospace, automotive, and industrial assembly where thread strength and reliability are critical.
What are the specifications of the HELI-COIL 3585-14CN875 insert?
This HELI-COIL insert has a 7/8"-9 coarse thread, 7/8 in overall length, and a tensile strength of 200,000 to 250,000 psi. It is made from 18-8 material, right-hand threaded, and requires an STI tap size of 7/8"-9 for installation in metal.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this OEM-specified insert across 14 departments and deliver it to your facility, ensuring compliance with your application requirements.
How to install a HELI-COIL tanged tang-style insert?
To install a HELI-COIL tanged insert, drill to the specified STI tap size (7/8"-9), tap the hole with the corresponding STI tap, then use a tang break-off tool to insert the coil. After installation, break off the tang for a flush finish. Always follow the manufacturer's torque and depth guidelines.
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.
