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Disc Micrometer-Mechanical Counter

The Mitutoyo disc micrometer is designed to measure the root tangent length of spur gears and helical gears within +/- 0.0002” of accuracy. Measurements are displayed on an analog digit counter on the frame. Available in inch or metric units.

Features & Benefits

The Mitutoyo disc micrometer uses flat discs constructed of hardened steel in our own Japanese facilities to measure lengths of spur and helical gears. The flatness and thinness of the discs allow for reliable measurements in tight spaces. A ratchet-stop mechanism provides uniform pressure on a workpiece for precise, repeatable measurements and eliminates over-speed error.

  • Available in Metric and Inch models
  • Measurements are displayed with mechanical analog digit counter on micrometer’s frame
  • Measuring surfaces are constructed of carbide to reduce wear
  • Ratchet mechanism provides an audible click to ensure measurement is being performed at a constant pre-set force
  • Satin chrome finish on the sleeve and laser etched measurements on thimble for easier reading
  • Frame has a non-slip finish for better grip in shop environments
  • Supplied in fitted plastic case
SERIES 223 Technical Data
Technology: Digit counter
SPC Output: No
Ratchet/Thimble: Ratchet Stop
Product List
Order No.: Product Image: Units: Range: Accuracy: Mass: Graduation: Flatness: Parallelism: Disk Diameter:
223-101 - Metric 0-25mm ±4µm 260g 0.01mm 1µm 4µm or less 20 ømm
223-102 - Metric 25-50mm ±4µm 290g 0.01mm 1µm 4µm or less 20 ømm
223-125 Inch 0-1" ±0.0002" 260g 0.001" - 0.00016" or less 0.787 øinch / 20 ømm