Single-point tool angles: definition of side rake angle Choose the correct description of the <em>side rake angle</em> of a single-point cutting tool. Select the accurate definition.

Difficulty: Easy

• The angle by which the face of the tool is inclined towards the back (away from the cutting edge).
• The angle by which the face of the tool is inclined sideways (across the tool width).
• The angle between the surface of the flank below the point and a plane at right angles to the tool point centre line.
• The angle between the surface of the flank below the point and a line from the point perpendicular to the base.