HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts
The HELI-COIL Prewinder Type II is an installation tool for steel helical inserts, designed for right-hand coarse threads in inch measurements. This tool (MPN 7551-3) supports the precise insertion of helical…
SKU 3G-OTH-530946
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Prewinder Type II is an installation tool for steel helical inserts, designed for right-hand coarse threads in inch measurements. This tool (MPN 7551-3) supports the precise insertion of helical inserts, ensuring reliable thread repair or reinforcement in industrial applications.
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 the HELI-COIL Prewinder Type II used for?
The HELI-COIL Prewinder Type II (MPN 7551-3) is an installation tool for steel helical inserts. It is used to precisely prewind and install inserts into right-hand coarse threads in inch measurements, providing reliable thread repair or reinforcement in industrial applications.
What are the specifications of the HELI-COIL Prewinder Type II?
The HELI-COIL Prewinder Type II (MPN 7551-3) is a steel helical insert installation tool. It is compatible with right-hand coarse threads, inch system of measurement, and helical inserts. The tool type is Prewinder Type II, designed for precise insertion in thread repair or reinforcement.
Where to buy the HELI-COIL Prewinder Type II worldwide?
3G Electric supplies the HELI-COIL Prewinder Type II (MPN 7551-3) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this installation tool for steel helical inserts to your facility, ensuring reliable thread repair or reinforcement.
How to install a helical insert with the Prewinder Type II?
To install a helical insert with the HELI-COIL Prewinder Type II, first select the correct insert size for your inch coarse thread. Place the insert onto the tool's tang, then rotate the tool to prewind the insert into the tapped hole. Once fully seated, remove the tool and break off the tang.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL installation tools for helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









