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 - 5 mm
Graduation: 0.004 mm
Stem diameter: 3.5 mm
Stem: With clamp nut
Spindle end: Spherical SR1.5
Special features: Small thimble diameter
Maximum permissible error JMPE: +/-5 um

Dimensions:
Spindle Dia.=2 mm
Stem Dia.=3.5 mm
Locknut thread=M3.5x0.5, effective threads 4 or more
Locknut/reference hex=5.5 mm
Fixture thickness=3 mm
Body Dia.=6 mm
Spherical spindle end=SR1.5
Reference dimensions=5 mm; 11.5 mm; 20.5 mm
Retracted reference dimensions=6.5 mm and 25.5 mm
Mass=5 g
Sleeve marker shown