HELI-COIL Thread Repair Kit: 1/2"-14 NPT, Free-Running, Stainless Steel
The HELI-COIL Thread Repair Kit (MPN 5407-8) is a tanged tang style kit for free-running, stainless steel helical inserts. It includes a 1/2"-14 NPT STI tap and inserts made from 18-8 stainless steel, designed for…
SKU 3G-OTH-528082
Also listed as: 54078 · 5407 8
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The HELI-COIL Thread Repair Kit (MPN 5407-8) is a tanged tang style kit for free-running, stainless steel helical inserts. It includes a 1/2"-14 NPT STI tap and inserts made from 18-8 stainless steel, designed for right-hand threads in metal substrates. This inch-system kit provides the tools needed to restore damaged threads to their original size.
Frequently Asked Questions
What is the HELI-COIL Thread Repair Kit 5407-8 used for?
The HELI-COIL Thread Repair Kit 5407-8 restores damaged internal threads in metal components to their original 1/2"-14 NPT size. It is commonly used in automotive, industrial machinery, and equipment maintenance to repair stripped or corroded threads without replacing the entire part.
What are the specifications of the HELI-COIL Thread Repair Kit 5407-8?
This kit includes 18-8 stainless steel helical inserts and a 1/2"-14 NPT STI tap. It is a tanged tang style, free-running design for right-hand threads in metal substrates. The system of measurement is inch, and the thread type is NPT.
Where to buy the HELI-COIL Thread Repair Kit 5407-8 worldwide?
3G Electric supplies the HELI-COIL Thread Repair Kit 5407-8 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this genuine HELI-COIL thread repair solution.
How to install the HELI-COIL Thread Repair Kit 5407-8?
To install, drill out the damaged thread to the specified tap drill size, then tap the hole using the included 1/2"-14 NPT STI tap. Insert the helical coil using the tang installation tool, then break off the tang. Always follow the manufacturer's instructions for proper thread engagement.
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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.
