HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts

The HELI-COIL Prewinder Type II (MPN 7551-7) is a steel tool used to install helical inserts into threaded holes. It is designed for right-hand coarse threads in inch measurements, ensuring proper alignment and insertion of HELI-COIL inserts for reliable thread repair or reinforcement.

The HELI-COIL 7551-7 is a Prewinder Type II installation tool made of steel. It is compatible with helical inserts, right-hand thread direction, coarse thread type, and inch measurement system. The tool is designed specifically for HELI-COIL brand inserts.

3G Electric supplies the HELI-COIL Prewinder Type II (7551-7) to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this installation tool to your facility, regardless of location.

To use the HELI-COIL Prewinder Type II tool, first select the correct size insert for your coarse inch thread. Place the insert onto the tool's mandrel, then align with the threaded hole and turn the tool clockwise to wind the insert into place. Follow standard thread repair practices for best results.