External Thread tool

Definition

A	The width of the tool holder.
B	The distance between the tool tip point and the left side of the tool holder.
C	The height of the tool tip.
D	The height of the tool (not including the turret); must be greater than C.
D1	The length of the cutting edge of the tool tip; this length is equal on both sides.
a°	The tool tip angle; must be between 0 and 180 degrees. This angle is symmetric around a perpendicular line passing through the tool tip point.
E	The position of the left side of the turret with reference to the tool tip point.
F	The width of the turret.
Ra	The tool nose radius.
Thickness	The thickness of the tool.