Digimatic Holtests - Series 468 Three-Point Internal Micrometers

Series 468
  • 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

Parts Break Down


Inch/Metric IndividualInch/Metric SetsMetric IndividualMetric Sets
Order NoModelImageRangeHead Assy Order No.Accuracy Remarks
468-261HTD-.35”R468-261.jpg.275-.35in 6.925-8.89mm04AZB139.0001in-
468-262HTD-.425”R-.35-.425in 8.89-10.795mm04AZB140.0001in-
468-263HTD-5”R468-263.jpg.425-.5in 10.795-12.7mm04AZB141.0001in-
468-264HTD-.65”R468-264.jpg.5-.65in 12.7-16.51mm04AZA721+/- .0001inwith TiN-coated contact points
468-265HTD-.8”R468-265.jpg.65-.8in 16.51-20.32mm04AZA722+/- .0001inwith TiN-coated contact points
468-266HTD-1”R-.8-1in 20.32-25.4mm04AZA730+/-.00015inwith TiN-coated contact points
468-267HTD-1.2”R-1-1.2in 25.4-30.48mm04AZA731+/-.00015inwith TiN-coated contact points
468-268HTD-1.6”R468-268.jpg1.2-1.6in 30.48-40.64mm04AZA739+/-.00015inwith TiN-coated contact points
468-269HTD-2”R-1.6-2in 40.64-50.8mm04AZA740+/-.00015inwith TiN-coated contact points
468-270HTD-2.5”R468-270.jpg2-2.5in 50.8-63.5mm04AZA754+/-.00015in-
468-271HTD-3”R-2.5-3in 63.5-76.2mm04AZA755+/-.00015inwith TiN-coated contact points
468-272HTD-3.5”R-3-3.5in 76.2-88.9mm04AZA756+/-.00015inwith TiN-coated contact points
468-273HTD-4”R468-273.jpg3.5-4in 88.9-101.6mm04AZA757+/-.00015inwith TiN-coated contact points
468-274HTD-5”R468-274.jpg4-5in 101.6-127mm04AZA783+/-.0002inwith TiN-coated contact points
468-275HTD-6”R-5-6in 127-152.4mm04AZA784+/-.0002inwith TiN-coated contact points
468-276HTD-7”R-6-7in 152.4-177.8mm04AZA785+/-.0002inwith TiN-coated contact points
468-277HTD-8”R468-277.jpg7-8in 177.8-203.2mm04AZA786+/-.0002inwith TiN-coated contact points
468-278HTD-9”R-8-9in 203.2-228.6mm04AZA787+/-.0002inwith TiN-coated contact points
468-279HTD-10”R-9-10in 228.6-254mm04AZA788+/-.0002inwith TiN-coated contact points
468-280HTD-11”R-10-11in 254-279.4mm04AZA789+/-.0002inwith TiN-coated contact points
468-281HTD-12”R468-281.jpg11-12in 279.4-304.8mm04AZA790+/-.0002in-
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