Technical Data:
Product type: Disc Micrometer, Non-rotating Spindle Type
Application: Root tangent measurement on spur gears and helical gears
Heat-insulated frame, tapered on the anvil side for hard-to-reach locations
Non-rotating spindle eliminates torque on the workpiece
Constant measuring force: Ratchet Stop
Power source: 1 x SR44 battery, 938882 included as standard
Accuracy basis: EMPE, ISO 3611:2023 and ASME B89.1.13-2013
Series: Series 369 Quickmike
Measuring range: 25 - 55 mm
Resolution: 0.001 mm
Anvil diameter: Dia.20 mm
Accuracy: +/-4 um
Flatness: 1 um
Parallelism: 4 um
Measuring force: 3 to 8 N
Measurable module: 0.5 to 6

Dimensions:
L=25 mm
a=10.3 mm
b=47 mm
Common drawing dimensions for Quickmike type include 25 mm; 6 mm; spindle Dia.8 mm; body Dia.18 mm
Common drawing dimensions for adjustable measuring-force type include spindle Dia.6.35 mm; body Dia.25 mm; 69.6 mm; 72 mm