HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M14-2.00 Thread Size
The HELI-COIL Thread Repair Kit (MPN 5403-14) is a tanged tang style kit for free-running M14-2.00 coarse metric threads, including helical inserts made from 18-8 material. It includes an STI tap sized M14-2.00, has…
SKU 3G-OTH-527895
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Product Description
The HELI-COIL Thread Repair Kit (MPN 5403-14) is a tanged tang style kit for free-running M14-2.00 coarse metric threads, including helical inserts made from 18-8 material. It includes an STI tap sized M14-2.00, has a 21 mm overall length, a plain finish, and is compatible with metal substrates. 3G Electric interprets your demand for thread repair solutions across 14 industrial departments—and we supply far more than is listed—with specialist depth in combustion, pumps and controls as an authorised distributor for brands like HELI-COIL, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
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. It uses 18-8 stainless steel helical inserts to create strong, free-running M14-2.00 coarse metric threads, ideal for automotive, industrial machinery, and equipment maintenance.
What are the specifications of the HELI-COIL 5403-14 kit?
The HELI-COIL 5403-14 kit includes helical inserts for M14-2.00 coarse metric threads, made from 18-8 stainless steel. It features a tanged tang style, 21 mm overall length, plain finish, right-hand thread direction, and includes an STI tap sized M14-2.00 for metal substrates.
Where to buy HELI-COIL thread repair kits worldwide?
3G Electric supplies HELI-COIL thread repair kits worldwide. We interpret your demand, source the correct kit, and handle full logistics and customs clearance for delivery to your location. Contact us for availability and lead time on the 5403-14 kit.
How to install a HELI-COIL thread insert?
To install a HELI-COIL insert, drill out the damaged thread, tap the hole with the included STI tap, then wind the insert into the tapped hole using the tang. Break off the tang after installation. Always follow the manufacturer's instructions for proper torque and depth.
Used in
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.









