Metric-using machinists tend to default to 0.01mm (about 4 tenths) increments, with a default tolerance somewhere around 0.02mm. Default to one gradation on the

Metric-using machinists tend to default to 0.01mm (about 4 tenths) increments, with a default tolerance somewhere around 0.02mm. Default to one gradation on the indicator dial for US, 2 for metric.