2 mm

3 mm

3.5 mm

4 mm

By stating dia and pitch

By stating dia and angle of thread

By stating core dia and pitch

By stating dia, pitch, and no. of start

Major diameters - single depth

Major diameters - 2 depth

Major diameters - minor diameter

Major diameter - Pitch

Major dia - 2 x depth

Major dia - minor dia

Major dia - Pitch dia

Major dia - Depth of thread

Tooth thickness

Module

Dedendum

Addendum