Axial Depth Of Cut — Definition in CNC Machining
September 23, 2026 · Exactalloy Technical Team
Glossary entry for axial depth of cut, one of the terms that most often decide whether a tooling process runs at the expected cost.
Quick answer: axial depth of cut: Depth of cut in the tool axis.
What it means
Depth of cut in the tool axis.
Why it matters in practice
Getting this right typically changes tool life and surface finish more than any single parameter tweak.
How to apply it
Record the value for every job, and compare against the recommended band for the material group you are cutting.
Frequently asked questions
Where is this used most?
In production CNC milling, turning and drilling, and in any tool-selection decision.
Can I ignore it?
You can, but the cost usually appears as unpredictable tool life.
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