GD&T of a counterbored slot - Eng-Tips

Slot location at which the counterbore is required 5 The length of the T-Slot location callout See page 11:02 for information

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 Block 1 Start with a block primative Then add the counterbore hole; Next add a boss with a draft angle to create the

taxes on slot machine winnings 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