After finishing this lesson, you will be able to describe taps, dies, and die nuts. You will also be able to explain how they are used in threading operations. • Describe the design and function of a tap • Identify types of taps • Explain the procedure for hand tapping • Describe the design and function of a die • Explain how to cut threads with a hand die • Describe the design and function of a die nut • Identify accessories used in machine threading