Drill

The diameter and the length of the cylindrical tool arbor are defined as Arbor Diameter and (Total Length - Shoulder Length), respectively. The Shoulder Length value should be greater than or equal to the Cutting Length value, and equal to or smaller than the Outside Holder Length value.

When a new tool is created, the default Arbor Diameter value is equal to that of the Diameter. The default Shoulder Length value is equal to that of the Cutting Length.