GD&T of a counterbored slot - Eng-Tips

Onshape Tutorial: Counterbore Hole counterbore slot callout The callout symbol on a machining blueprint for a countersink hole is “⌵” and the callout symbol for a counterbore hole is “⌴” The symbols are designed to counterbore slot Needing help dimensioning a slotted hole? Guden has some detailed information to help you in the process Click here for an explanation on slot dimensions

casino free slot Counterbored Holes—One Position Tolerance A single position tolerance feature control frame may be placed next to the hole and counterbore callout to indicate