A professional who operates electric-screwdown mechanism on rolling mill to set draft (space between rolls) for reducing slabs, ingots, or billets to specified dimensions, using knowledge of rolling practices and steel properties. Respnsibilities include:

• Reads rolling order for dimensions, properties, and temperature of product to be rolled.
• Determines, from experience, number of passes and amount of reduction on each pass required to reduce product to specifications.
• Moves controls to set rolls for each pass, according to draft reading on dial indicator.
• Performs other duties, such as assisting in roll changes and repairing or adjusting mill equipment.
• May calibrate dial of screwdown setting with x-ray reading.