Mitutoyo Vernier Disk Micrometer 3-4"

This Mitutoyo vernier disk micrometer has a non-rotating spindle and is designed to easily measure root tangent length of spur gears and helical gears. The non-rotating spindle eliminates torque on the workpiece. The ratchet stop provides constant force. Includes standard bar.

• Range = 3-4"
• Accuracy = +/- 0.0003"
• Graduation = 0.001"
• Diameter of Measuring Disk  = 0.787" 
• Data Output = No
  
• Flatness = 0.00004"
• Parallelism = 0.00024"
  
• Case = includes fitted case.