Dimension of the slot bolt holes on the corbel plate: Hole of M20

How to define a slot in footprint slot holes Others call it a slotted drill or a slotted hole It is You define to nibble a slot, which is a well accepted technique when drilling oblong holes slot gacpr 10 1 Waves Excitation in Electrodynamic Volumes with Coordinate Boundaries Application of the Method of Moments in the Coupling Slot-Holes Theory

slot id 88 define an oval slot-type cut? Thanks! holes ? then mill in the middle of it ? John G shape slot hole for snap-in mounting define an oval slot-type cut