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 100-piece pack. It features a 5/16"-24 fine thread, right-hand direction, and is made from 18-8 material with a dry film lubricant…
SKU 3G-OTH-529103
Also listed as: A35915CNW938 · A3591 5CNW938
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 100-piece pack. It features a 5/16"-24 fine thread, right-hand direction, and is made from 18-8 material with a dry film lubricant finish. This inch-system insert delivers a tensile strength of 200,000 to 250,000 psi and is compatible with metal substrates, requiring an STI tap size of 5/16"-24.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal substrates. This screw-locking, tanged tang style insert provides strong, wear-resistant threads in applications like automotive, aerospace, and industrial machinery, ensuring reliable fastening under high loads.
What are the specifications of the HELI-COIL A3591-5CNW938 insert?
This HELI-COIL insert has a 5/16"-24 fine thread, right-hand direction, and is made from 18-8 material with a dry film lubricant finish. It delivers a tensile strength of 200,000 to 250,000 psi and requires an STI tap size of 5/16"-24. The pack contains 100 pieces.
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 screw-locking, tanged tang insert to your facility. Contact us for availability and lead time.
How to install a HELI-COIL tanged tang insert?
To install a HELI-COIL tanged tang insert, drill the hole to the specified size, tap it using the correct STI tap (5/16"-24 for this model), then use a tang installation tool to wind the insert into the tapped hole. After installation, break off the tang with a punch for a flush finish.
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.
