MM Hole Callout on a Standard Drawing

slot drawing callout   Dan slot xyz

The callout displays all slot-related dimensions that are marked for drawing, plus the THRU-ALL note or depth symbol value if the slot is through or blind

Technically I would not callout the radius on versions 1&3, but callout full radius as you have given a width dim callout drawing  8020 T-slot nut Extrusion Drawing Aluminium, dimensional, angle, white png Speech balloon Callout graphics, quote box, speech Balloon, callout png

starburst slot free play I am trying to grasp the concept of the round slot position callout I have to check part against the drawing where hole is datum B Technically I would not callout the radius on versions 1&3, but callout full radius as you have given a width dim callout drawing