>> P.9
COOLANTPROOFCOOLANTPROOFistheuniversaltermforMitutoyoDigimaticSmallToolInstrumentsthatarenotonlyresistanttodustandwateringress(ratedtoIP65orbetter)butalsotodeteriorationofmaterialsduetocontactwiththecuttingoilorcoolantfluidsinnormaluse.Note:Sometypesofaggressivecuttingoilorcoolantmaydegradethesealingmaterialsovertime.COOLANTPROOFDrip-proofandoil-resistantQuantuMikewith2mm/revSpindleFeedFastermeasurementisachievedbyusingafinerthreadwhichfeedsthespindleby2mmperrevolutionofthethimbleinsteadofthestandard0.5mm.Thisincreaseofspindlefeedhasbeenmadepossiblethankstonewhighprecisionthread-cuttingandtestingtechniques.Inaddition,theratchetthimblemechanismhelpsensurerepeatableresultsanditenableseasyoperation-evenwhenmakingmeasurementone-handed.2mmfeedperrevolution1revolutionofthimbleSpindlefeedperrevolutionConventionalmodel0.5mmQuantuMike2.0mmFour-foldspindlefeed2.0mm6
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