HELI-COIL M3-0.50 Free-Running Thread Repair Kit
The HELI-COIL Thread Repair Kit (MPN 5403-3) is a tanged tang style kit for free-running, M3-0.50 coarse thread repair in metal. It includes 18-8 stainless steel helical inserts and a right-hand thread STI tap…
SKU 3G-OTH-528073
Also listed as: 54033 · 5403 3
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Thread Repair Kit (MPN 5403-3) is a tanged tang style kit for free-running, M3-0.50 coarse thread repair in metal. It includes 18-8 stainless steel helical inserts and a right-hand thread STI tap, supplied in metric sizing.
Frequently Asked Questions
What is a HELI-COIL Thread Repair Kit used for?
The HELI-COIL Thread Repair Kit (MPN 5403-3) is used to restore damaged internal threads in metal components. It installs 18-8 stainless steel helical inserts to create a new, durable M3-0.50 coarse thread, commonly applied in automotive, aerospace, and industrial maintenance.
What are the specifications of the HELI-COIL 5403-3 kit?
This kit includes tanged tang style, free-running helical inserts in 18-8 stainless steel. It has an M3-0.50 STI tap, right-hand thread direction, coarse thread type, and metric system of measurement. It is compatible with metal substrates and supplied by HELI-COIL.
Where to buy a HELI-COIL Thread Repair Kit worldwide?
3G Electric supplies the HELI-COIL Thread Repair Kit (MPN 5403-3) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this kit to your facility. Contact us for availability and lead time.
How to install a HELI-COIL thread insert?
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-style installation tool, then break off the tang. Ensure the insert sits below the surface for a secure, free-running M3-0.50 thread repair.
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.
