By vernier caliper
By screw thread micrometer
By three wire method
Using slip gauge pack
Measure major diameter
Measure minor diameter
Measure effective diameter
Measure the pitch of the thread
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