>> P.460
BoreGagesSettingRingsSERIES177—AccessoriesforInsideMicrometers,HoltestandDialBoreGagesSPECIFICATIONSSteelSettingRingsMetricDimensions(mm)AccuracyTolerancebetweenthenominalsizeandtheactualdiameter(µm)±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±10±20±20±20±20±20±20±20±20±20±20±20±20±20±20±20±20±20Uncertaintyofmarkeddiametervalue*1(µm)Roundness/Cylindricity*2(µm)DistancefromthesidefaceH(mm)SizeofwarrantedcalibrationsurfaceK(mm)1.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.51.52.52.52.52.52.52.52.52.51.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.51.51.51.51.51.52.02.02.02.52.52.53.03.03.01.61.61.61.61.61.61.61.61.71.71.71.71.71.71.71.71.71.71.71.71.72.02.02.02.02.02.02.02.02.03.23.23.23.23.73.73.73.73.74.24.24.24.24.25.35.35.35.35.35.35.35.30.80.80.80.80.81.81.81.83.63.63.63.63.63.63.63.63.63.63.63.63.66.06.06.06.06.06.06.06.06.08.68.68.68.67.612.612.612.612.616.616.616.616.616.627.527.527.527.527.527.527.527.5CodeNo.Nominalsizeød(mm)øDøETType177-220177-222177-225177-227177-230177-236177-239177-242177-208177-246177-248177-250177-252177-255177-204177-257177-205177-263177-267177-271177-275177-125177-279177-126177-284177-132177-177177-133177-285177-286177-139177-288177-140177-290177-178177-146177-292177-314177-147177-316177-294177-318177-148177-296177-298177-300177-302177-304177-306177-308177-310177-31211.11.21.31.41.7522.252.52.7533.253.53.7544.555.566.57891012141617182025303540455060627075808790100125150175200225250275300202020202025252525252525252525252525252525323232323845454545537171718585112112112125125140140160210235260311337362413438444445557777777777777101010101010101010151515151520202020252525252538.1(25.4)————————————————————————————————————————————168187215244264290321340AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBoreGages*1Actualdiameterismarkedin0.001mmincrements.(DimensionmeasuringpositionisthecenteroftheheightT.)*2CylindricityisdenedasperJISB0621Denitionsanddesignationsofgeometricaldeviations,Section4.4“Cylindricity.”Cylindricityismeasuredusingthreecross-sectionsbetweenthetopandbottomfaceofaring,namely,closetothefaceneareachsideandthecenter.08-53
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