Technical Data:
Series: 146
Product type: Groove Micrometer
Application: Measures width and location of grooves inside bores and tubes
Measurement modes: Inside-diameter groove measurement and outside-diameter groove measurement
Spindle type: Non-rotating
Constant measuring force: Two-directional ratchet stop
Reference point: Master gage required for OD and ID measurements except 0 - 1 in / 0 - 25 mm
Accuracy basis: EMPE, ISO 3611:2023 and ASME B89.1.13-2013
Range inside: 3.05 - 4.05 in
Range outside: 3 - 4 in
Graduation: 0.001 in
Accuracy: +/-0.0004 in
Parallelism: 0.0004 in
Flange: Dia.0.5 in

Dimensions:
L=100 mm
Longitudinal dimension ell=40 mm
Common long-range drawing dimensions:
Spindle Dia.=6.35 mm
Flange Dia.=12.7 mm
Front flange thickness=0.75 mm
Intermediate Dia.=10 mm
Body Dia.=15 mm
Body length=32 mm
Rear body Dia.=18 mm
Rear body length=47 mm
Rear end length=17 mm
Rear end Dia.=9.7 mm