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 - 6.5 mm
Graduation: 0.01 mm
Accuracy: +/-2 um
Stem diameter: 9.5 mm
Stem: With clamp nut
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.=3.5 mm
Front/reference length=18.5 mm
Body/thimble reference length=23.5 mm
Retracted overall reference dimension=30 mm
Thimble diameter=20 mm
Set screw provided
Clamp-nut outside/reference Dia.=14 mm; locknut thread=M9.5x0.5; fixture thickness=6 mm
Mass=39 g
Parenthetical dimensions apply with spindle fully retracted