When you need to cut new external threads on a bolt, what tool should you use?
a. a die
b. a hacksaw
c. a diamond point chisel
d. a tap

The correct answer for the question that is being presented above is this one: "A. A die." When you need to cut new external threads on a bolt, the tool that should you use is a die. These external threads are annoying most especially when they are stuck in a bolt.