MT-1 taper
MT-2 taper
MT-3 taper
MT-4 taper
Aluminium oxide wheel is used
Silicon carbide wheel is used
Diamond wheel is used
Corundum wheel is used
For grinding carbide materials diamond wheel is used.
Thin section metal
Soft metals
broad section metals
Non-metals
to thread the hole with full threads up to the bottom
to start the threads
after the first (rougher) tap
to form the threads easily
45 Degree to the centre line of the file
60 Degree to the centre line of the file
75 Degree to the centre line of the file
80 Degree to the centre line of the file