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: 6 mm
Stem: With clamp nut
Spindle end: Spherical SR3
Special features: Small thimble diameter
Maximum permissible error JMPE: +/-5 um

Dimensions:
Spindle Dia.=3.5 mm
Stem Dia.=6 mm, tolerance 0/-0.008 mm
Locknut thread=M6x0.5
Fixture thickness=4 mm
Body Dia.=9.3 mm
Spherical spindle end=SR3
Reference dimensions=7.5 mm; 15 mm; 21.7 mm
Retracted reference dimensions=8.5 mm and 28.2 mm
Mass=10 g
Sleeve marker shown