Machining tool indicating device, with recess or step in form of colored marking

摘要

The machining tool indicating device shows the wear of the tools. There is a marking in the high wear region in the form of a recess or step. This recess or step is in the form of a colored marking. Ridges, grooves, countersinks or borings can also be used. The marking may be in the form of a series of steps on the tool.