Technical Data:
Series: 148
Product type: Micrometer Head, Small/Ultra-small Type
Application: Miniature and light-weight micrometer heads for incorporation into machines, jigs and fixtures
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
Stem diameter: 3.5 mm
Stem: With clamp nut
Spindle end: Spherical SR1.5
Type: Standard
Graduation: 0.02 mm
Accuracy: +/-5 um

Dimensions:
148-216 reference drawing:
Spindle Dia.=2 mm
Stem locknut
Locknut hex/reference=5.5 mm
Locknut thread=M3.5x0.5, effective threads 4 or more
Reference dimensions=1.8 mm, 5 mm, 6.5 mm, 11.5 mm and 20.5 mm
Retracted overall reference dimension=25.5 mm
Fixture thickness=3 mm
Spherical spindle end=SR1.5
Mass=4 g

148-203-10 reference drawing:
Spindle Dia.=3.5 mm
Stem Dia.=6 mm, tolerance 0/-0.008 mm
Locknut thread=M6x0.5
Locknut hex/reference=8 mm
Reference dimensions=3 mm, 7.5 mm, 8.5 mm, 15 mm and 21.9 mm
Retracted overall reference dimension=28.4 mm
Body Dia.=9.3 mm
Fixture thickness=4 mm
Mass=10 g