equal to

smaller than

greater than

Vertical boring machine

Horizontal boring machine

Precision boring machine

Jig boring machine

drill a hole

finish the drilled hole

correct the hole

enlarge the existing hole

increase in the effective rake angle and a decrease in the effective clearance angle

increase in both effective rake angle and effective clearance angle

decrease in the effective rake angle and increase in the effective clearance angle

decrease in both effective rake angle and effective clearance angle