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BSC and its Tolerance
3

BSC and its Tolerance

BSC and its Tolerance

(OP)
I was surfing the web and looking for the meaning on the subject and I came to the ENG-TIPS webpage and into this forum.

I'm not sure if this the right forum for this inquiry.

My question is ' What does BSC mean dimensions on mechanical drawings and what is its tolerance.'

I was told I can get the answer on ASME ANSI 14.5M -1994 but it cost $125 to get this doc.

Thanks in advance.

RE: BSC and its Tolerance

Hi georgedaw

What dimension does it relate to? If its an imperial thread
it may mean "British Standard Course"

regards Desertfox

RE: BSC and its Tolerance

(OP)
Hi Desertfox,

Thanks for your fast response.

On Jedec Solid State product outlines, BSC is both on metric and english dimensions.

Regards,

George88daw

RE: BSC and its Tolerance

3
BSC per AMSE Y14.5-1994 represents a "basic" dimension.  A basic dimension is one that has no tolerance.  It consists of a dimension inside of a box.  The tolerance will be specified in the feature control block where the feature is called out.

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