CAD Forum discussion (EN) : Dim Deviation Tolerance https://www.cadforum.cz/forum_en/ Mon, 06 Apr 2026 07:30:50 +0000 Sat, 13 Apr 2013 16:11:49 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://www.cadforum.cz/forum_en/RSS_post_feed.asp?TID=9140 <![CDATA[CAD Forum discussion (EN)]]> https://www.cadforum.cz/forum_en/forum_images/web_wiz_forums.png https://www.cadforum.cz/forum_en/ <![CDATA[Dim Deviation Tolerance : Hello All,I have a general question.I...]]> https://www.cadforum.cz/forum_en/forum_posts.asp?TID=9140&PID=23283&title=dim-deviation-tolerance#23283 Author: kenjg
Subject: 9140
Posted: 13.Apr.2013 at 16:11

Hello All, 

I have a general question.

I have a PDF file I'm re-drawing into CAD form and I show a HOLE with the following dims

1.98 H7. The H7 is upward of the dim, not right next to it. I think it reads a + something and - 0.000

I read that the H7 is a tolerance of 0.0025mm. I had the part made using this dim and the part (2mm Dowel Pin) slides easily in the hole. I measured th Pins and they are all 2mm.

What is H7?

Thanks in Advance.

KenJG
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