Title: Determine tap drill sizes.
Course: Agricultural Fabrication and Emerging Technologies (18404) > Section: Performing Cold Metalworking Operations

Determination should include

- use of a tap and drill chart
- selecting thread type(s) (e.g., NPT, NF, NC, metric).

Process/Skill Questions:

- How is a tap and drill chart used?
- Why are there different types of taps?
- What determines the type of threads that are needed?
- Why is the size of drill important for getting good threads?
- How do NPT, NF, NC, and metric threads differ?