Technical Data:
Series: 148
Product type: Micrometer Head, Short Thimble with Multiple Diameter Options
Feature: Short body design maintains measuring range for limited-space applications
Feature: Multiple thimble diameters selectable depending on application
Measuring face material: Alloy tool steel
Measuring-face hardness: 60 HRC or more
Measuring face: Lapped
Finish: Satin-chrome plated
Measuring range: 0 - 13 mm
Graduation: 0.01 mm
Accuracy: +/-2 um
Stem diameter: 9.5 mm
Stem: Plain
Spindle end: Flat
Thimble diameter: 20 mm
Spindle pitch: 0.5 mm

Dimensions:
Stem Dia.=9.5 mm, tolerance 0/-0.009 mm
Main collar/reference Dia.=12 mm
Spindle Dia.=6.35 mm
Front/reference length=25 mm
Body/thimble reference length=30 mm
Retracted overall reference dimension=43 mm
Thimble diameter=20 mm
Set screw provided

Mass=55 g
Parenthetical dimensions apply with spindle fully retracted