Technical Data:
Series: 153
Product type: Micrometer Head, Non-rotating Spindle Type
Feature: Non-rotating spindle
Feature: Torsion-free feed reduces workpiece deformation and wear
Application: Highly accurate positioning
Measuring face: Carbide tip
Measuring-face hardness: 90 HRA or more
Measuring face: Lapped
Finish: Satin-chrome plated
Measuring range: 0 - 15 mm
Graduation: 0.01 mm
Graduation features: Standard
Stem diameter: 9.5 mm
Stem: Plain
Spindle end: Flat (carbide tip)
Spindle pitch: 0.5 mm
Accuracy: +/-3 um

Dimensions:
Configuration: 0 - 15 mm / 0 - 0.5 in body
Spindle Dia.=6.35 mm
Stem Dia.=9.5 mm, tolerance 0/-0.009 mm
Body reference Dia.=15.3 mm
Rear/reference Dia.=14.8 mm
Reference dimensions=10 mm; 27 mm; 58.5 mm
Retracted reference dimensions=12 mm and 73.5 mm
Cap
Mass=70 g
Parenthetical dimensions apply with spindle fully retracted