![]() It is for steel angle clips or plates for attaching steel beams together. Do you dim to the mid point of the slot and just call out the slot dim's (13/16" slot by 1 1/4" ) or do you go to each cen. "gomez" wrote in message if the proper way to dim a slotted hole. The slot width and corresponding pin hole generally have tighter tolerances than the length. Generally speaking, the length of a slot is not as tightly controlled as the width to allow slide. If the slot is rotated from a comon axis, you'll need to dimension the angle from the datums. Are you using true position with material modifiers for the slot or is the slot controlled by the block tolerances?Ī common practice is to dimension the centers with basic dimensions from the datums, then have separate callouts for the length and width separately with material condition applied.
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