The screw thread micrometer has 50 to 75 mm with 5.5 to 7 mm/4,5-3,5TPI and has a fixed anvil and directly indicates screw pitch diameter, thus, no need for calculation.
The screw thread micrometer has 50 to 75 mm with 5.5 to 7 mm/4,5-3,5TPI and has a fixed anvil and directly indicates screw pitch diameter, thus, no need for calculation.