• Rotating disc micrometer are ideal for measurement of root tangent length of spur & helical gears.
  • 0.7 mm edge thickness to enter narrow recesses.
  • Diameter of measuring disc 19.50 mm
Technical Data Sheet
Disc Micrometer (Rotating)
Metric Inch
Type Measuring Range Reading Type Measuring Range Reading
MMD-25 0-25 mm 0.01 mm D-IN-1 0-1 inch 0.001 inch
MMD-50 25-50 mm D-IN-2 1-2 inch
MMD-75 50-75 mm D-IN-3 2-3 inch
MMD-100 75-100 mm D-IN-4 3-4 inch