Technical Data:
Groove micrometer
Measure width of grooves inside bores
Graduation: 0.01mm
Two graduations for inside and outside measurements
Non-rotating spindle
Two-directional ratchet stop
Range outside A: 25-50mm
Range inside B: 26.5-51.5mm
Accuracy: 10um

Dimensions:
L=102mm
d=13mm
d1=6.5mm
d2=10mm
Groove measuring-face thickness: 0.75mm each side
Drawing references: dia.16mm; dia.19mm; 32mm; 72mm

Remark:
Sleeve included
Applications shown: measure width of groove; measure width of keyway; measure position of groove