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Mitutoyo Digimatic Holtest Set, View of set in wooden box with dividers

468-978 Mitutoyo Digimatic Holtest 3 Head Set, 0.8"-2"

$ 4,720.00$ 4,484.00

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Product Description

Mitutoyo Digimatic Holtest Three-Point Internal Micrometer Set, 0.8-2"/20.32-50.8mm - 468-978

The Mitutoyo Digimatic Holtest Three-Point Internal Micrometer Set (Model 468-978) is a precision measurement tool designed for versatility and durability in challenging machining environments. With an interchangeable head set and titanium-coated measuring pins offering exceptional durability and impact resistance, this micrometer set boasts an IP65 protection level, making it resistant to water and dust, including coolant fluid splashes. Featuring a large LCD display with a 7.5mm character height for easy readability, the set includes essential functions such as zero-setting, data hold, and data output.

With TiN-coated contact points enabling measurements to the bottom of blind holes, a ratchet stop for constant force, and optional extension rods and setting rings, this set is tailored for a range of applications. Supplied in a fitted plastic case for models up to 100mm/4" and a wooden case for larger sizes, the set combines technical precision, functional features, and durability, making it an essential tool for professionals seeking accurate measurements in diverse scenarios.

These are three-point internal micrometers that offer you the following benefits:

  • Interchangeable head set.
  • Titanium-coated measuring pins give you excellent durability and impact resistance.
  • They also have excellent resistance against water and dust (IP65 protection level), allowing you to use this product in machining situations that include splashing coolant fluid.
  • Large LCD display with character height of 7.5mm enables you to read measurements easily.
  • With setting rings and extensions.


  • TiN-coated contact points provide excellent durability and impact resistance and allow the instrument to measure to the bottom of a blind hole.(up to 100mm/4"models)
  • Large LCD readout.
  • Functions available: Presetting, Zero/ABS, power On/Off Data hold, Data out put, Error alarm, Battery replacement alarm.
  • With Ratchet Stop for constant force.
  • Can measure deep holes by attaching an Extension rod(optional).
  • Setting rings for origin point setting are optional.
  • Supplied in fitted plastic case up to 100mm / 4". Over 100mm / 4" supplied in wooden case.

Technical Data:

  • Accuracy: Refer to the list of specifications.
  • Resolution: 0.001mm or .00005"/0.001mm (over 5" models: .0001"/0.001mm)
  • Contact point: TiN-coating
  • Measuring method: Three-point method
  • Display: LCD
  • Battery: SR44 (2 pcs.), 938882
  • Battery life: Approx. 8 months under normal use


  • Zero-setting, Data hold, Data output, Preset, inch/mm conversion (inch/mm models)
  • Alarm: Low voltage, Counting value composition error