B-76BMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.DIMENSIONSMicrometer HeadsSERIES 148 — Small/Ultra-small Type• Miniature micrometer heads for ease of incorporating into machines.( ): with spindle fully retracted. * Other dimensions are the same as 148-201.Plain StemUnit: mmTechnical Data• Graduation: 0.02 mm (148-215, 148-216), 0.01 mm or 0.001 in• Measuring face Material: Alloy tool steel Hardness: 60 HRC or more Lapped• Scale nishing: Satin-chrome platedPlain stemPlain stemPlain stemPlain stemSpherical face148-215Mass: 4 gSR1.5(25.5)ø211.550ø6(6.5)20.5ø3.50-0.010Spherical face148-205148-201Mass: 10 g01040ø3.5ø9.3ø60-0.0086(8.5)1522(28.5)Set screwSet screwø60-0.008ø3.56(8.5)15ø9.3(28.2)1040021.7Reverse reading148-2090 10 40 SPECIFICATIONSMetricOrder No.Range (mm)Stem dia. (mm)StemSpindle endGraduationMaximum permissible error JMPE (µm)148-2150 - 53.5PlainSpherical (SR1.5)Standard±5148-216W/clamp nut148-2010 - 6.56PlainFlat148-203W/clamp nut148-205PlainSpherical (SR3)148-207W/clamp nut148-209PlainFlatReverse reading148-211W/clamp nutInchOrder No.Range (in)Stem dia. (in)StemSpindle endGraduationMaximum permissible error JMPE (in)148-2170 - 0.20.156PlainSpherical (SR1.5)Standard±0.00025148-218W/clamp nut148-2020 - 0.250.25PlainFlat148-204W/clamp nut148-206PlainSpherical (SR3)148-208W/clamp nut148-210*PlainFlatReverse reading148-212*W/clamp nut* Made-to-order models**SR3

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