HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1"-12 Thread Size
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with a 1"-12 fine thread, 1 in overall length, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 material grade, it is…
SKU 3G-OTH-528861
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with a 1"-12 fine thread, 1 in overall length, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 material grade, it is compatible with metal and uses a right-hand thread direction. 3G Electric interprets your demand for genuine industrial fasteners, sourcing this insert alongside components across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threaded holes in metal, providing a strong, wear-resistant thread. This screw-locking, tanged tang style insert with 1"-12 fine thread and 200,000 to 250,000 psi tensile strength is ideal for high-stress industrial applications across machining, power transmission, and more.
What are the specifications of the HELI-COIL 3591-161CN1000 insert?
This HELI-COIL insert has a 1"-12 fine thread, 1 in overall length, 18-8 material grade, right-hand thread direction, and tensile strength of 200,000 to 250,000 psi. It is a screw-locking, tanged tang style compatible with metal, requiring an STI tap size of 1"-12.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. We source this genuine insert alongside components across 14 industrial departments, with specialist depth in combustion, pumps, and controls. Contact us for availability and delivery to your location.
How to install a HELI-COIL screw-locking insert?
Install a HELI-COIL screw-locking insert by first drilling and tapping the hole to the specified STI tap size (1"-12 for this model). Use a tang break-off tool after insertion to remove the drive tang. Ensure the hole is clean and lubricated for proper seating and thread 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.
