Technical Data:
Series: 151
Product type: Micrometer Head, Medium-sized Standard Type with 8 mm Diameter Spindle
Feature: Larger Dia.8 mm spindle for heavy-duty applications
Spindle pitch: 0.025 in / 0.5 mm
Measuring face: Carbide tip
Measuring-face hardness: 90 HRA or more
Measuring face: Lapped
Finish: Satin-chrome plated
Measuring range: 0 - 1 in
Graduation: 0.0001 in
Accuracy: +/-0.0001 in
Stem diameter: 0.5 in
Stem: Plain
Spindle end: Flat (carbide tip)
Special features: Vernier 0.0001 in
Spindle lock: No

Dimensions:
Configuration: Plain stem, standard 0 - 25 mm / 0 - 1 in body
Spindle Dia.=8 mm
Stem Dia.=12 mm, tolerance 0/-0.011 mm
Body Dia.=21 mm
Reference dimensions=29 mm; 63 mm; 70 mm
Retracted reference dimensions=38 mm and 95 mm
Ratchet
Mass=150 g
Parenthetical dimensions apply with spindle fully retracted