60 Degree
65 Degree
55 Degree
50 Degree
One
Two
Four
Three
To make internal threads in cylindrical jobs
To make external threads in cylindrical jobs
To make internal threads in square jobs
To make external threads in square jobs
No effect threads form normally
Threads forms unevenly
Both die and threads damaged
Pipe broken into pieces
To cut straight slot
To cut internal holes
To cut external curves
To cut internal curves