HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 1/2"-13 Thread Size
The HELI-COIL Thread Repair Kit (MPN 5401-8) is a tanged tang style kit for free-running, stainless steel helical inserts. It includes a 1/2"-13 coarse thread STI tap and 18-8 grade inserts for right-hand thread…
SKU 3G-OTH-527873
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Product Description
The HELI-COIL Thread Repair Kit (MPN 5401-8) is a tanged tang style kit for free-running, stainless steel helical inserts. It includes a 1/2"-13 coarse thread STI tap and 18-8 grade inserts for right-hand thread repair in metal. This inch-system kit is designed for restoring damaged threads with a plain finish.
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 Thread Repair Kit used for?
The HELI-COIL Thread Repair Kit (MPN 5401-8) restores damaged internal threads in metal components. It installs 18-8 stainless steel helical inserts to create a new, durable 1/2"-13 coarse thread. This kit is commonly used in automotive, industrial, and maintenance applications to repair stripped or worn threads without replacing the entire part.
What are the specifications of the HELI-COIL 5401-8 kit?
The HELI-COIL 5401-8 kit includes free-running, tanged tang style helical inserts made of 18-8 stainless steel. It has a 1/2"-13 coarse thread size, right-hand thread direction, and includes a matching STI tap. The kit is designed for inch-system metal repair and has a plain finish.
Where to buy a HELI-COIL Thread Repair Kit worldwide?
3G Electric supplies the HELI-COIL Thread Repair Kit (MPN 5401-8) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this kit for your thread repair needs.
How to install a HELI-COIL thread insert?
To install a HELI-COIL insert, first drill out the damaged thread to the specified size, then tap the hole using the included STI tap. Insert the helical coil using the tang installation tool, then break off the tang. Ensure the insert sits slightly below the surface for proper thread engagement. 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.









