Digimatic Holtests – Series 468 Three-Point Internal Micrometers

  • 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

Optional Accessories

05CZA662: SPC cable (1m / 40”)
05CZA663: SPC cable (2m / 80”)
04AZB157: Mounting plate for stand
156-101: Stand
952322: Extension rod 100mm / 3.94” For range 6-12mm / .275 – .5” models
952621: Extension rod 150mm / 5.9” For range 12-20mm / .5″ – .8” models
952622: Extension rod 150mm / 5.9” For range 20-50mm / .8″ – 2” models
952623: Extension rod 150mm / 5.9” For range 50-300mm / 2″ – 12” models

Order NoModelRangeHead Assy Order No.AccuracyRemarks
468-164HTD-16R12-16mm04AZA7192µmwith TiN-coated contact points
468-165HTD-20R16-20mm04AZA7202µmwith TiN-coated contact points
468-166HTD-25R20-25mm04AZA7282µmwith TiN-coated contact points
468-167HTD-30R25-30mm04AZA7292µmwith TiN-coated contact points
468-168HTD-40R30-40mm04AZA7372µmwith TiN-coated contact points
468-169HTD-50R40-50mm04AZA7382µmwith TiN-coated contact points
468-170HTD-63R50-63mm04AZA7502µmwith TiN-coated contact points
468-171HTD-75R62-75mm04AZA7512µmwith TiN-coated contact points
468-172HTD-88R75-88mm04AZA7522µmwith TiN-coated contact points
468-173HTD-100R87-100mm04AZA7532µmwith TiN-coated contact points
468-174HTD-125R100-125mm04AZA7752µmwith TiN-coated contact points
468-175HTD-150R125-150mm04AZA7762µmwith TiN-coated contact points
468-176HTD-175R150-175mm04AZA7772µmwith TiN-coated contact points
468-177HTD-200R175-200mm04AZA7782µmwith TiN-coated contact points
468-178HTD-225R200-225mm04AZA7792µmwith TiN-coated contact points
468-179HTD-250R225-250mm04AZA7802µmwith TiN-coated contact points
468-180HTD-275R250-275mm04AZA7812µmwith TiN-coated contact points
468-181HTD-300R275-300mm04AZA7822µmwith TiN-coated contact points


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Product Name : Digimatic Holtests – Series 468 Three-Point Internal Micrometers