By three wire method

By screw thread micrometer

By plug gauge

By using slip gauge and precision rollers

To cut V-thread only

To cut square thread only

To cut knuckle thread only

To cut trapezoid thread only

To cut new thread

Correcting and finishing a thread

For production job

For making square thread

Low strength material

High strength material

H.S.S

H.C.S

Acute angle

Right angle

Helix angle

Obtuse angle