HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M11-1.50 Thread Size
The HELI-COIL Thread Repair Kit (MPN 5403-11) is a tanged tang style kit for free-running M11-1.50 metric coarse threads. It includes helical inserts made from 18-8 stainless steel, an STI tap sized M11-1.50, and is…
SKU 3G-OTH-527901
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Product Description
The HELI-COIL Thread Repair Kit (MPN 5403-11) is a tanged tang style kit for free-running M11-1.50 metric coarse threads. It includes helical inserts made from 18-8 stainless steel, an STI tap sized M11-1.50, and is designed for right-hand thread repair in metal substrates.
Frequently Asked Questions
What is a HELI-COIL thread repair kit used for?
A HELI-COIL thread repair kit restores damaged internal threads in metal components. This M11-1.50 kit installs 18-8 stainless steel helical inserts to create strong, wear-resistant threads in applications like engine blocks, machinery housings, and industrial equipment.
What are the specifications of the HELI-COIL 5403-11 thread repair kit?
The HELI-COIL 5403-11 kit is a tanged tang style, free-running design for M11-1.50 metric coarse threads. It includes helical inserts made from 18-8 stainless steel, an STI tap sized M11-1.50, and is compatible with metal substrates. Thread direction is right hand.
Where to buy a HELI-COIL M11-1.50 thread repair kit worldwide?
3G Electric supplies the HELI-COIL 5403-11 thread repair kit worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this metric thread repair kit.
How to install a HELI-COIL thread insert?
To install a HELI-COIL insert, drill out the damaged thread to the specified size, tap the hole using the included STI tap, then wind the insert into the tapped hole using the installation tool. Break off the tang after installation. Always follow the manufacturer's instructions for best results.
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Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL insert & tool kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









