If i quote a hole only writing the diameter, is it implied that this is a through hole? Even if i have a threaded hole and i write for example M12? thank you
If there is no depth called out or shown on the drawing anywhere, I would say, Yes, to me it would imply that it is a thru hole.
I don't think it would be too much effort to type "THRU" under your dimension....
or you can use the hole call-out function and it will do it for you
I know that the standard for through holes is such that "when it is not clear that a hole goes through, the abbreviation THRU follows a dimension"
Don't know the standard on tapped holes, but logic would state that you need to call out thread depth.
Agreed, whether thru or to a specific depth, the depth should be called out somewhere.
All dimensions (holes included) are consider to extend the full distance of a feature unless otherwise specified. If there is no depth on the a hole, it's the same as not putting a depth on overall dimensions. But, as noted in other comments, you must avoid ambiquity, so if the image of your part makes the reader question if it is thru or not, you should add THRU to a hole. Most thru holes don't need THRU on them. Some thru holes may need THRU ALL, as in the case of cutting through multiple crossing features.
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