B-107BMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication 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. • Spindle end: Flat form and hardened, or spherical with carbide tip (more than HRA90), lapped surface.DIMENSIONSUnit: mmNo.152-389152-402Plain 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: 270g0(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: 460g0(109.2)55.7142ø884.2A17ø180-0.011SR1010209080Zero-setting ring (30.7)24680Speederø49ø51010902080090108020010902080SPECIFICATIONSMetricOrder No.RangeGraduationAccuracyStem dia.StemSpindle pitchGraduation features152-3900 - 25mm0.005mm±2µm18mmPlain1mmfor X-axis, bidirectional152-389152-4020.001mmVernier graduationfor X-axis, with Vernier152-401InchOrder No.RangeGraduationAccuracyStem dia.StemSpindle pitchGraduation features152-3920 - 1".0001"±.0001".709"Plain.025"for X-axis, bidirectional152-391*1 Other dimensions are the same as 153-390*2 Other dimensions are the same as 152-402


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