Pitch: The pitch is definitely the axial distance between two adjacent threads calculated parallel for the axis. It's such as 1/amount of threads per inch. Plastic nuts Have got a lower coefficient of friction and have higher corrosion and chemical resistance, but their operating temperature is limited to low temperatures. https://typesofhousefoundation41515.collectblogs.com/74896320/a-review-of-lead-screw-thread-type