6/1

5/1

4/1

3/1

15 Degree 6'

14 Degree 12'

13 Degree 57'

12 Degree 24'

30 Degree on either side

30 Degree in one side

45 Degree on either side

60 Degree in one side

Large size face milling cutters

Shell end mill and similar cutters

Drills, reamers, chucks etc.

None of the above

4 Degree to 6 Degree

6 Degree to 10 Degree

8 Degree to 10 Degree plus secondary clearance

None of the above