>> P.119
GearToothMicrometersSERIES124—InterchangeableBallAnvil/SpindleTipType•Intendedformakingover-pindiametermeasurementsongearsusingprecisionballanvils/spindletips(optional).•Determinationoftheover-pindiameter:referto“QuickGuidetoPrecisionMeasuringInstruments”onpage02-80.•Interchangeableballanvils/spindletipsforvariousgearmodules(0.5to5.25)areoptional.•EquippedwithRatchetStopforconstantmeasuringforce.bø3.5(Forattachiginterchangeableti)Range(mm)Graduation(mm)Spindlefeederror(μm)10.8ø1866.50.0162.93252ø6.350-2525-5050-7575-100100-125125-150150-175175-200200-225225-250250-275275-300dø81868.5MetricCodeNo.124-173124-174124-175124-176124-177124-178124-179124-180124-181124-182124-183124-195124-17310.8ø18252ø6.35d66.562.91868.5ø8SPECIFICATIONS•Standardaccessories:Settingstandard,1pc.(exceptformeasuringrange0to25mmmodels),Spanner(301336),1pc.bø3.5(Forattachinginterchangeabletip)SpecialPurposeMicrometersUnit:mmRange(mm)0-2525-50b3245d6489.5Range(mm)50-7575-100100-125125-150150-175175-200200-225225-250250-275275-300b657993105118131144156169187d115.1140.1165.1190214240265290314352():124-19502-3866.9ø1815225ø6.35ø8DIMENSIONSAnalogmodelsupto50mm1868.5dbø3.5(orattachinginterchangeabletip)66.9(69.9)ø1815(29)2(9)25(ø8)ø6.35dø818(28)68.5(83.5)Analogmodelsover50mmupto300mmbø3.5(Forattachingiterchangeabletip)OptionalAccessories•Interchangeableballanvil/spindletipsetCodeNo.124-801124-802124-803124-821124-804124-805124-806124-822124-807124-808124-823124-809124-810124-824124-811124-812124-813124-814124-815124-816124-817124-818124-819124-820Diameter*(mm)GearmoduleDia.pitch0.81.01.191(3/64in)1.51.588(1/16in)2.02.381(3/32in)2.53.03.175(1/8in)3.53.969(5/32in)4.04.54.763(3/16in)5.05.556(7/32in)6.06.35(1/4in)7.07.144(9/32in)7.938(5/16in)8.08.731(11/32in)0.5-0.550.6-0.650.7-0.80.9-10.9-1504535-3028-2628-261.251.51.51.75—222.252.52.52.753.0-3.253.53.754.04.254.54.755.0-5.252217171514131311101098776.565.55.55*2mmlessfor/carbide-tippedtype