| 408 / | HD | CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL | 
| 186 | ![]()  | TOOL-SUPPORT WITH MEANS TO PERMIT POSITIONING OF THE TOOL RELATIVE TO SUPPORT {5} | 
| 187 | DF | .~> Pivotable tool {1} | 
| 189 | DF | .~> Tool having stepped cutting edges {3} | 
| 195 | DF | .~> Including means to "form" depression in work | 
| 196 | DF | .~> Including central-lead | 
| 197 | DF | .~> Including tool-holding clamp and clamp actuator {1} |