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Mitutoyo 112-237 point micrometer, 0-1 inch range, 30-degree carbide anvil, ratchet thimble, IP65, plastic case included

Mitutoyo

Mitutoyo 112-237 Point Micrometer 0-1" 30 Deg Carbide

SKU CH-W15A-NKPVC

Point micrometer measures 0 to 1 inch with 0.00005 inch resolution and 30-degree carbide anvil tips

  • Product typeMeasuring & Layout Tools
  • Measures 0-1 in with .00005 in resolution
  • ±.00015 in accuracy ensures reliable readings
  • 30° carbide point tips reach narrow grooves
  • IP65 rating resists coolant and dust ingress
  • Includes plastic case and inspection certificate

Mitutoyo 112-237 Point Micrometer

This Mitutoyo point micrometer measures a 0 to 1 inch range with a mechanical ratchet thimble. The 30 degree carbide anvil tips measure 0.492 by 0.250 inches for accessing narrow grooves and small hole diameters. It provides a 0.00005 inch resolution and an accuracy of +/- 0.00015 inch. An IP65 rating confirms coolant and dust resistance for shop floor use.

For inspection of narrow features

Machinists and quality technicians checking small slots, grooves or hole webs will find the pointed carbide anvils suit the task. The mechanical operation needs no batteries and the ratchet thimble gives repeatable force. Buyers needing digital readout with SPC data output or a long-form calibration certificate should look at other models because this unit has neither.

30 degree carbide anvil geometry

The defining specification is the 30 degree point on the carbide measuring faces sized at 0.492 by 0.250 inches. This geometry reaches into confined spaces that flat anvils cannot access. The mechanical inch-scale operation with 0.00005 inch resolution and IP65 protection supports reliable hand-held measurement in typical workshop environments.

How it compares

Measured against everything we stock in Utility & Specialty Hand Tools, at today’s prices. Recalculated every night.

Price $222.99
Pricier than about 90% of the 2,474 comparable items (median $23.99).

Specifications

Product
Brand nameMitutoyo
Product typeMeasuring & Layout Tools

Questions about this item

How do I zero the Mitutoyo 112-237 before measuring, and what step is often missed?

Close the spindle onto the 30-degree carbide anvil, turn the ratchet thimble until it clicks, then use the included spanner key to lock the zero position with the lever lock nut; skipping the spanner step leaves the zero free to drift.

What part of this micrometer will wear first and need replacement?

The 0.492 in by 0.250 in carbide anvil tip is the primary wear surface; once the point dulls beyond the ±0.00015 in accuracy spec the anvil must be swapped.

At what point does the IP65 seal become the limiting factor during prolonged use?

Continuous exposure to coolant or fine abrasive slurry can degrade the seal over time, so the IP65 rating is the first limit reached in wet or dirty shop environments.

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