Measure major diameter

Measure minor diameter

Measure effective diameter

Measure the pitch of the thread

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