2 to 3

4 to 6

8 to 10

11 to 12

easy movement of a sliding part of a machine

cooling the machine

cooling the cutting tool only

cooling the job and the cutting tool

6 to 15 mm

8 to 20 mm

10 to 15 mm

10 to 25 mm

less or no lip clearance angle

more clearance angle

no body clearance angle

high cutting angle

For setting the spindle in any position

To reduce the weight of the base

To reduce surface contact for easy movement

For setting the gauge on cylindrical surface