3 x 1/32 cutting discs work well for cutting light gauge metal, iron pipe, metal tubing and other ferrouse metals. These are high quality whiz wheels!
To become a production planner, you typically will need some form of higher education, on-the-job experience, certification, and familiarity with job-specific computer programs. Most employers will be open to hiring someone for a production planner position with little or no experience if a candidate has the appropriate education and understands production systems and processes.
If your ambitions include gaining the skills required to manage people, processes or industries, the Bachelor of Science in Business with a concentration in Project Management* degree program can be a good place to start.