Determination should include
- using a tap and die chart
- inspecting the threaded fastener being repaired or created
- measuring the outside diameter of the thread
- counting how many threads there are per inch
- comparing the numbers and thread type to the numbers written on the taps and dies
- determining the type of threads.
Process/Skill Questions:
- What determines the type of threads that are needed?
- Why is the size of drill so important for getting good threads?