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Micrometer Heads-non-rotating-ratchet stop

The Mitutoyo high accuracy large thimble micrometer head with non-rotating spindle has a dual-spindle mechanism for quick spindle feeding of 1mm/rev. Its bi-directional graduation offers easier reading in both directions.

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Features & Benefits

The larger diameter on the Mitutoyo fast feeding micrometer head with 1mm feed per revolution allows for quick, highly accurate workstage adjustments. The floating thimble is easy to zero set at any spindle locations, and its large size makes for easy reading and use. The spindle is constructed of hardened steel and has a flat, carbide measuring face which is lapped for lasting precision.

  • Available in Metric and Inch models
  • Mic head has a 49mm / 1.93” thimble diameter
  • Spindle range is 50mm / 2”
  • Spindle diameter 8mm / .315”
  • Spindle pitch is 1mm / .039” per rev
  • Mic head total length (at stroke end) 169mm / 6.65”
  • Flat spindle faces are constructed of carbide and have lapped surfaces for more accurate measurements over time
  • Scale surface uses white anodized aluminum that resists corrosion
SERIES 197 Technical Data
Technology: Mechanical
Measuring Faces: Flat (carbide tip)
Spindle Type: Non-rotating
Stem: Plain
Scale Surface: White anodized aluminum
Remarks: Bi-directional graduation
Product List
Order No.: Product Image: Units: Range: Accuracy: Graduation: Stem Diameter: Spindle pitch:
197-101 Metric 0-50mm ±5µm 0.005mm 18mm 1mm
197-201 Inch 0-2" ±0.0001" 0.0002" 0.709" 0.05"