Technical Data:
Series: 148
Product type: Micrometer Head, Fine Spindle Feed of 0.1 mm/rev
Spindle pitch: 0.1 mm/rev
Feature: One fifth the feed of a standard 0.5 mm pitch head
Application: Extra-fine adjustment and positioning
Application examples: Semiconductor-wafer positioning machinery, optical component alignment units, precision X-Y table positioning and precision mirror adjustment
External dimensions: Compatible with standard 0.5 mm pitch heads
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: 0.002 mm
Stem diameter: 9.5 mm
Stem: With clamp nut
Spindle end: Spherical SR4
Special features: Thicker & shorter thimble
Maximum permissible error JMPE: +/-2 um

Dimensions:
Spindle Dia.=6.35 mm
Stem Dia.=9.5 mm, tolerance 0/-0.009 mm
Locknut outside/reference Dia.=14 mm
Locknut thread=M9.5x0.5
Fixture thickness=6 mm
Body Dia.=15 mm
Spherical spindle end=SR4
Reference dimensions=9.5 mm; 18.5 mm; 23.5 mm
Retracted reference dimensions=12 mm and 30 mm
Mass=31 g
Sleeve marker shown