HELI-COIL M20-2.50 Free-Running Thread Repair Kit, 30 mm Overall Length
The HELI-COIL Thread Repair Kit (MPN 5403-20) is a tanged tang style kit for free-running M20-2.50 coarse metric threads, including helical inserts made from 18-8 material. It includes an STI tap sized M20-2.50, has…
SKU 3G-OTH-528106
Also listed as: 540320 · 5403 20
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 5403-20) is a tanged tang style kit for free-running M20-2.50 coarse metric threads, including helical inserts made from 18-8 material. It includes an STI tap sized M20-2.50, has a 30 mm overall length, a plain finish, and is compatible with metal substrates. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the HELI-COIL Thread Repair Kit 5403-20 used for?
The HELI-COIL Thread Repair Kit 5403-20 is used to restore damaged internal threads in metal components. It includes helical inserts made from 18-8 material and an STI tap for M20-2.50 coarse metric threads, making it ideal for industrial maintenance and repair applications across machining and assembly operations.
What are the specifications of the HELI-COIL Thread Repair Kit 5403-20?
The HELI-COIL Thread Repair Kit 5403-20 features a free-running, tanged tang style for M20-2.50 coarse metric threads. It includes helical inserts of 18-8 material, an STI tap sized M20-2.50, a 30 mm overall length, a plain finish, and is compatible with metal substrates. Thread direction is right hand.
Where to buy HELI-COIL Thread Repair Kit 5403-20 worldwide?
3G Electric supplies the HELI-COIL Thread Repair Kit 5403-20 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine HELI-COIL kit for your thread repair needs.
How to install a HELI-COIL thread repair insert?
To install a HELI-COIL insert, drill out the damaged thread to the specified size, then tap the hole using the included STI tap. Wind the insert onto the installation tool and thread it into the tapped hole until it sits below the surface. Break off the tang for free-running operation. Always follow the manufacturer's instructions.
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.
