Tap + die for Dash 4 connector
Finish off with the adapters, thread your holes and install your Dash fittings on your installations.
Dash fittings are designed with an “American” thread.
It is not possible to use a metric tap and die to install, you must use the taps and dies pouçique.
This is an “American” or “pouçque” thread.
Drill and thread your support with this tap specially designed for.