B-107BMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.Micrometer HeadThe origin of Mitutoyo’s trustworthy brand of small tool instruments Micrometer HeadsSERIES 152 — XY-Stage Type• Micrometer heads especially designed for accurate cross-travel stage translation in X and Y axes.DIMENSIONSUnit: mmNo.152-389152-401Plain stemPlain stemPlain stemPlain stem*1*2Spherical faceSpherical face( ): with spindle fully retracted.• The zero-setting ring allows spindle movement without thimble position change for easy zero setting. 152-390• The thimble can be rotated to a better reading position while maintaining the spindle position. Mass: 270 g0(91)52.7(27.7)66147ø6.35ø11ø8ø180-0.011101.5ø5.510902080090108020ø49Speeder Length of A: 0 to 6 A = 6 in the drawing above. 152-402 Mass: 460 g0(109.2)55.7142ø884.2A17ø180-0.011SR1010209080Zero-setting ring (30.7)24680Speederø49ø51010902080090108020010902080SPECIFICATIONSMetricOrder No.Stroke (mm)Graduation (mm)Accuracy (µm)Stem dia. (mm)StemSpindle pitch (mm)Graduation features152-390250.005±218Plain1for Y-axis,bidirectional152-389152-4020.001Vernier graduationfor Y-axis,with Vernier152-401InchOrder No.Stroke (in)Graduation (in)Accuracy (in)Stem dia. (in)StemSpindle pitch (in)Graduation features152-39210.0001±0.00010.709Plain0.025for Y-axis,bidirectional152-391*2 Other dimensions are the same as 152-402.Technical Data• Measuring face Material: Carbide (152-389/390/391/392 are alloy tool steel) Hardness: 90 HRA or more (152-389/390/391/392 are 60 HRC or more) Lapped• Scale nishing: White anodized aluminum*1 Other dimensions are the same as 152-390.

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