MEASURING INSTRUMENTS CATALOG No.E2019
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B-96BMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.Micrometer HeadsSERIES 148 — Locking-screw Type • Locking screw provides secure locking at any position of the spindle. • Position of the locking screw is the same as the sleeve index line.Secure spindleLocking screwDIMENSIONSUnit: mmPlain StemPlain StemStem LocknutStem LocknutPlain stemSpherical face (SR3)148-222 Mass: 16 g3040(36.8)30.32.2ø9.3(11.3)ø7ø6 0 -0.008ø3.5SR36(8.5)154.6Locking screw4030Locknut M6×0.5(36.8)2.21530.3(8.5)7.53ø3.5(11.3)ø74.6ø6 0 -0.008SR3ø9.3Locking screwSpherical face (SR3) Fixture thickness: 4 mm148-223 Mass: 17 g148-220 Mass: 16 g4030(36.8)30.32.2ø9.3(11.3)ø74.66(8.5)15ø3.5ø6 0 -0.008Locking screw148-221 Mass: 17 g M6×0.5Locknut 3040(36.8)30.32.2ø9.315(8.5)7.53ø6 0 -0.008(11.3)ø74.6ø3.5Locking screwFixture thickness: 4 mmSPECIFICATIONSMetricInchOrder No.Stroke (mm)Graduation (mm)Accuracy (µm)Stem dia. (mm)StemSpindle endGraduation featuresOrder No.Stroke (in)Graduation (in)Accuracy (in)Stem dia. (in)StemSpindle endGraduation features148-2206.50.01±56PlainFlatStandard148-2300.250.001±0.000250.25PlainFlatStandard148-221W/clamp nut148-231W/clamp nut148-222PlainSpherical (SR3)148-232PlainSpherical (SR3)148-223W/clamp nut148-233W/clamp nut148-15013±29.5PlainFlat148-1600.5±0.00010.375PlainFlat148-151W/clamp nut148-161W/clamp nut148-152PlainSpherical (SR4)148-162PlainSpherical (SR4)148-153W/clamp nut148-163W/clamp nut148-3166.5PlainFlat148-3260.25PlainFlat148-317W/clamp nut148-327W/clamp nut148-318PlainSpherical (SR4)148-328PlainSpherical (SR4)148-319W/clamp nut148-329W/clamp nut( ): with spindle fully retracted.Stem locknutPlain stemSpherical faceStem locknutSpherical face

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