408 / | HD | CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL |
72 R | DF | WITH WORK-ENGAGING STRUCTURE OTHER THAN TOOL OR TOOL-SUPPORT {13} |
87 | DF | .~ Having tool-opposing, work-engaging surface {8} |
89 | DF | .~.~ Angularly adjustable surface {1} |
90 | .~.~.~ Adjustable about axis that is parallel to tool-axis |