HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1"-12 Thread Size
The HELI-COIL Helical Insert (MPN K1191-161) is a free-running, tanged tang style insert with a 1"-12 thread size, fine thread, and right-hand orientation. Made from 18-8 metal, it has an overall length of 1 1/2 in…
SKU 3G-OTH-598974
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Product Description
The HELI-COIL Helical Insert (MPN K1191-161) is a free-running, tanged tang style insert with a 1"-12 thread size, fine thread, and right-hand orientation. Made from 18-8 metal, it has an overall length of 1 1/2 in and a tensile strength range of 200,000 to 250,000 psi. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments—with specialist depth in combustion, pumps, and controls—ensuring you get the right solution, not just a part.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces tapped threads in metal. This free-running, tanged tang style insert (MPN K1191-161) with 1"-12 fine thread and 200,000 to 250,000 psi tensile strength restores thread integrity in high-stress applications across industrial machinery, automotive, and aerospace.
What are the specifications of the HELI-COIL K1191-161 insert?
The HELI-COIL K1191-161 is a free-running, tanged tang helical insert with 1"-12 thread size, fine thread, right-hand orientation, and 1 1/2 in overall length. It is made from 18-8 metal with a tensile strength range of 200,000 to 250,000 psi. 3G Electric supplies this genuine HELI-COIL part.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies genuine HELI-COIL helical inserts like the K1191-161 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this free-running, tanged tang insert with 1"-12 thread size.
How to install a HELI-COIL tanged tang insert?
To install a HELI-COIL tanged tang insert, drill the hole to the specified tap drill size, tap threads using the correct HELI-COIL tap, then wind the insert onto the installation tool and screw it into the tapped hole. Break off the tang after installation. 3G Electric provides genuine inserts and can advise on tooling.
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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.









