Mitutoyo Outside Micrometer Series 103 High Accuracy (0-25,25-50,50-75,75-100)

Mitutoyo Outside Micrometer with Ratchet Stop



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The Mitutoyo 103 series outside micrometer has a vernier scale in metric units for taking precise outside diameter (OD) measurements, and a ratchet-stop mechanism for uniform pressure during adjustment.

The micrometer’s frame has a baked enamel finish for protection and durability. The vernier scale on the thimble and sleeve is graduated to 0.01mm, with a satin chrome rust- and glare-resistant finish. The spindle and anvil have flat measuring faces and are carbide-tipped for wear resistance. A spindle lock helps provide secure locking of the measurement position.

Micrometers are precision measuring instruments that use a calibrated screw to measure small distances. These measurements are translated into large rotations of the screw that are then able to be read from a scale or a dial. Micrometers are typically used in manufacturing, machining, and mechanical engineering. There are three types of micrometer: outside, inside, and depth. Outside micrometers may also be called micrometer calipers, and are used to measure the length, width, or outside diameter of an object. Inside micrometers are typically used to measure interior diameter, as in a hole. Depth micrometers measure the height, or depth, of any shape that has a step, groove, or slot.

Series 103


  • Hammertone-green, baked-enamelfinished frame.
  • Ratchet Stop for exact repetitive readings.
  • With a standard bar except for 0-25mm model.

Technical Data

Graduation: 0.01mm, 0.001mm
Flatness: 0.6µm for models up to 300mm
1µm for models over 300mm
Parallelism: (2+R/100)µm, R=max. range (mm)
Measuring faces: Carbide tipped 

Note: Models with a range up to 1000mm are available on demand. 

Mitutoyo manufactures precision measuring tools, metrology equipment, and systems.

6 Items

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