>> P.181
Note:Whilethefine-pitchmicrometerheadhasameasuringrangeof6.5mm,thestandardheadhasalargerrangeof13mm.Whenreplacingastandardhead,thefine-pitchtypecanusethecommonrangeinthemiddleofthespindletravel.Thestandardandcompacttypesoffine-pitchheadareotherwisecompletelyinterchangeable.3-486.5(Operatingrange)(55)20.59.5Scale:3mmposition020100908033.5Fine-pitchhead(spindlepitch:0.1mm)Scale:6.5mmposition105045406.56.50513(Operatingrange)9.520.5Standardpitchhead(spindlepitch:0.5mm)(58.5)ComparisonofMountingDimensionsBetweenaFine-pitchHeadandaStandard-pitchHeadattheMid-rangeTravelPosition.