HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts
The HELI-COIL Prewinder Type II is a steel installation tool for helical inserts, designed for right-hand coarse metric threads (MPN 7751-10). 3G Electric interprets your demand for thread repair tooling and delivers…
SKU 3G-OTH-531071
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Prewinder Type II is a steel installation tool for helical inserts, designed for right-hand coarse metric threads (MPN 7751-10). 3G Electric interprets your demand for thread repair tooling and delivers this genuine HELI-COIL tool across 14 industrial departments — with specialist depth in fastening and assembly solutions.
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 7751-10) is a steel installation tool used to prewind helical inserts into right-hand coarse metric threads. It ensures proper insert alignment before final installation, commonly applied in thread repair and assembly across automotive, aerospace, and industrial maintenance.
What are the specifications of the HELI-COIL Prewinder Type II?
The HELI-COIL Prewinder Type II is a steel tool designed for helical inserts with right-hand coarse metric threads. It is manufactured by HELI-COIL under MPN 7751-10. The tool is compatible with metric system measurements and is intended for prewinding inserts prior to final installation.
Where to buy the HELI-COIL Prewinder Type II worldwide?
3G Electric supplies the genuine HELI-COIL Prewinder Type II (MPN 7751-10) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this thread repair tool for your maintenance or assembly operations.
How to install the HELI-COIL Prewinder Type II?
To install the HELI-COIL Prewinder Type II, first clean the tapped hole and select the correct helical insert. Place the insert onto the prewinder tool tip, then rotate the tool clockwise to wind the insert into the thread. Follow standard thread repair practices and avoid cross-threading for reliable results.
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.









