Technical Data:
Gear root diameter micrometer
Measure diameter of gear root circle
Graduation: 0.01mm
Ratchet stop
Meet DIN863-3
Carbide measuring faces
Supplied with setting standards
Range: 300-400mm
Accuracy: 11um
Type: B
Steel tube frame

Dimensions:
L=514mm
b=275mm
Sleeve/body diameter=dia.18mm
Measuring spindle diameter=dia.8mm
SRd=0.7mm
Measuring face angle=30deg