HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/2"-20 Thread Size, Plain
The HELI-COIL Helical Insert (MPN R1191-8) is a tanged tang-style, free-running insert with a 1/2"-20 fine thread, right-hand orientation, and plain finish. Made from 18-8 stainless steel, it offers a tensile…
SKU 3G-OTH-598954
Also listed as: R11918 · R1191 8
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 (MPN R1191-8) is a tanged tang-style, free-running insert with a 1/2"-20 fine thread, right-hand orientation, and plain finish. Made from 18-8 stainless steel, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 6-pack. 3G Electric sources this genuine OEM insert across 14 industrial departments, with specialist expertise 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 threads in metal. This free-running tanged tang-style insert (1/2"-20 fine thread) restores stripped threads or strengthens soft materials, providing a durable 18-8 stainless steel thread with 200,000 to 250,000 psi tensile strength.
What are the specifications of the HELI-COIL R1191-8 insert?
The HELI-COIL R1191-8 is a free-running tanged tang-style insert with 1/2"-20 fine thread, right-hand orientation, plain finish, and 18-8 stainless steel construction. It delivers 200,000 to 250,000 psi tensile strength and comes in a 6-pack. 3G Electric supplies this genuine OEM part.
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 genuine OEM parts like the R1191-8 to any location. Contact us for availability and lead time on your order.
How to install a HELI-COIL tanged tang-style insert?
To install a HELI-COIL tanged tang-style insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct HELI-COIL tap, then wind the insert into the hole using a tang installation tool. After installation, break off the tang with a punch.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL free-running tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
