15.75 mm
15.50 mm
14.65 mm
16 mm
8.5 mm
9.75 mm
10.00 mm
10.25 mm
Feed ratio is more
Cooling is in effective
Insufficient clearance angle
Unequal length of cutting edge
75 Degree
80 Degree
90 Degree
120 Degree
To tighten the die
To adjust the depth of cut
To adjust the dia of internal thread
To adjust the dia of external thread