Originally Posted by 61bone
Generally,When I plan to tap something, I take the tap over to the window where the light is better and look carefully at the tap. Most say on the side what size bit to use.
Yep thats right unless of course they are made in china. This is one of my favorite pet peaves (threads that is) and finding the good quality taps and dies is getting harder thanks to places like HF.flooding us with there garbage.