HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 5/16"-24 Thread Size
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert in a plain finish, supplied in a 100-pack. It features a 5/16"-24 fine thread, right-hand direction, and an 18-8 material grade with a tensile…
SKU 3G-OTH-529021
Also listed as: A35915CN469 · A3591 5CN469
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert in a plain finish, supplied in a 100-pack. It features a 5/16"-24 fine thread, right-hand direction, and an 18-8 material grade with a tensile strength of 200,000 to 250,000 psi. Designed for metal compatibility, this inch-system insert uses an STI tap size of 5/16"-24 (MPN A3591-5CN469).
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal components. This screw-locking tanged tang style, 5/16"-24 fine thread, 18-8 stainless steel insert provides a strong, wear-resistant thread in applications like automotive, aerospace, and industrial machinery.
What are the specifications of the HELI-COIL A3591-5CN469 insert?
This HELI-COIL insert has a 5/16"-24 fine thread, right-hand direction, and an 18-8 material grade with tensile strength of 200,000 to 250,000 psi. It is a screw-locking tanged tang style in plain finish, compatible with metal, and uses an STI tap size of 5/16"-24. Supplied in a 100-pack.
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 this 5/16"-24 screw-locking insert (MPN A3591-5CN469) to your facility. Contact us for availability and delivery to your region.
How to install a tanged helical insert?
To install a HELI-COIL tanged insert, drill the hole to the specified STI tap size (5/16"-24), tap the threads, then use a tang break-off tool to insert the coil. After installation, break off the tang with a punch. Ensure the insert is fully seated below the surface for proper locking.
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.
