Countersink vs Counterbore Holes in Machining

First Creating the Thru Slot, then again to create the Counterbored Slot My frustration lies in that I cannot simply call out the Centerline

When modelling a counterbored slot, we specify the slot width, and also the amount offset from the slot to calculate the size of the counterbore

counterbore slot The counterbore symbol is used on a drawing to indicate that a counterbore hole feature is required A counterbore is a flat-bottomed

klink slot counterbore, countersink, and tapped holes We create an Hole Callout in SolidWorks