If you need to install inserts, the HELI-COIL 7551-04 Prewinder is an essential tool. It allows you to easily and quickly insert the thread inserts into the threaded holes. The prewinder can be used with a 4-40 size internal thread. Made of steel,...
If you need to install inserts, the HELI-COIL 7551-04 Prewinder is an essential tool. It allows you to easily and quickly insert the thread inserts into the threaded holes. The prewinder can be used with a 4-40 size internal thread. Made of steel,...