drawing using british standards Question
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Posted by: Gene Ernst ®

12/08/2010, 14:03:20

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I have a metric drawing with a hole dimensioned
HOLE C20.62 A 0.2
Not sure what the C and the A refer to. Anyone know?







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: drawing using british standards
: drawing using british standards -- Gene Ernst
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Dimensioning & Tolerancing GD&T Forum
Posted by: traingdt ®

12/11/2010, 08:21:19

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I don't know, but I'll give a wild guess. Sometimes when a drawing is converted or printed out in different software, some of the symbology gets screwed up. So maybe the "C" is supposed to be the diameter symbol Ø, and maybe "A" is supposed to be the plus/minus symbol ±. Find out what the drawing was originally created in, and see if that's a possibility.







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