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145 Series Caliper-Type Internal Micrometer Carbide Tip Ratchet Stop

Mechanical Caliper Type Inside Micrometer

The Mitutoyo mechanical caliper-type inside micrometers features high-grade tool-steel jaws and spindle to accurately measure inside diameters.

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Features & Benefits

The Mitutoyo mechanical caliper-type inside micrometer provides the ability to measure inside dimensions with high accuracy using the precision of  the Mitutoyo micrometer. Its caliper-type jaws are constructed of hardened tool steel for lasting durability and accuracy. A clamp locks the spindle for easier manual measurement readings. A Vernier scale takes highly accurate measurements.

  • Available in Metric and Inch models
  • Optional setting rings for zero point adjustment are available
  • Measuring surfaces are carbide-tipped for better accuracy and durability
  • A special holder is available to allow use of the micrometer with a Mitutoyo micrometer stand
  • Satin chrome finish on the sleeve and laser etched scale on thimble for easier reading
  • Satin chrome finish on the frame is rust resistant
  • Supplied in fitted plastic case; models over 175mm / 4″ supplied in wooden case
SERIES 145 Technical Data
Technology: Mechanical
Measuring Faces: Caliper Type
SPC Output: No
Accessories: Accessories
Product List
Order No.: Product Image: Units: Range: Graduation: Accuracy: Jaw Type:
145-185 Metric 5 - 30mm 0.01mm ±5µm Pin
145-186 - Metric 25 - 50mm 0.01mm ±6µm Anvil
145-187 Metric 50 - 75mm 0.01mm ±7µm Anvil
145-188 - Metric 75 - 100mm 0.01mm ±8µm Anvil
145-189 - Metric 100 - 125mm 0.01mm ±9µm Anvil
145-190 - Metric 125 - 150mm 0.01mm ±9µm Anvil
145-191 - Metric 150 - 175mm 0.01mm ±10µm Anvil
145-192 - Metric 175 - 200mm 0.01mm ±10µm Anvil
145-193 Inch 0.2-1.2" 0.001" ±0.00025" Pin
145-194 Inch 1-2" 0.001" ±0.0003" Anvil
145-195 Inch 2-3" 0.001" ±0.00035" Anvil
145-196 - Inch 3-4" 0.001" ±0.0004" Anvil
145-217 - Metric 200 - 225mm 0.01mm ±11µm Anvil
145-218 - Metric 225 - 250mm 0.01mm ±11µm Anvil
145-219 - Metric 250 - 275mm 0.01mm ±12µm Anvil
145-220 Metric 275 - 300mm 0.01mm ±12µm Anvil