HELI-COIL Screw-Locking Tanged Helical Insert
The HELI-COIL Helical Insert is a tanged tang-style screw-locking insert with a 1"-12 fine thread, 1 1/2 in overall length, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 material grade/class, it is…
SKU 3G-OTH-529014
Also listed as: 3591161CN1500 · 3591 161CN1500
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 with a 1"-12 fine thread, 1 1/2 in overall length, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 material grade/class, it is compatible with metal and uses a right-hand thread direction. This inch-system insert requires an STI tap size of 1"-12 and has a plain finish.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal. This screw-locking, tanged tang-style insert with 1"-12 fine thread and 200,000 to 250,000 psi tensile strength provides strong, wear-resistant threads in applications like automotive, aerospace, and industrial machinery.
What are the specifications of the HELI-COIL 3591-161CN1500?
This HELI-COIL insert has a 1"-12 fine thread, 1 1/2 in overall length, 18-8 material grade, right-hand thread direction, and tensile strength of 200,000 to 250,000 psi. It requires an STI tap size of 1"-12 and has a plain finish. It is compatible with metal substrates.
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, customs clearance, and delivery to your facility. Contact us to order the 3591-161CN1500 or other HELI-COIL thread repair inserts for your application.
How to install a HELI-COIL tanged tang-style insert?
Installation requires drilling to the specified size, tapping with the correct STI tap (1"-12 for this insert), then using a tang-style installation tool to wind the insert into the tapped hole. After installation, break off the tang with a punch. Always follow HELI-COIL's published instructions for best results.
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.
