Fix It and keep it

Tapping a hole is easy, but it requires the right tools.
First you should know what size screw or bolt you intent to put in the hole that you are about to tap and select the drill and tap accordingly.
You will need to know four things before you begin:
1) The size of the screw or bolt [...]

Taps and dies are cutting tools used to create screw threads in solid substances including, but not limited to, metal, wood, and plastic. A tap is used to cut the female portion of the mating pair (e.g. a nut). A die is used to cut the male portion of the mating pair (e.g. a bolt). [...]