Power feed cannot be given

Turning slow taper angles only

Surface finish cannot be obtained

Lengthy taper cannot be produced

Keep the tool rigidly

Gives torque to work

Calculate the taper angle

Tool is guided to required angle

Root diameter

Pitch diameter

Major diameter

Minor diameter

Screw thread micrometer

Vernier caliper

Vernier height gauge

Vernier bevel protractor

Helix angle

Thread angle

Pressure angle

Clearance angle