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Roundness

Roundness Per ASME B1.7-2006 Definitions [ back to main page ]

Roundness: (of screw threads) half the maximum variation in pitch diameter of a screw thread around the circumference of a pitch cylinder.  Also known as out-of-round. 

 

Original Posting: 3/20/2012
Last Revision:
Error corrections in, or comments about, the above data can be sent to: gageguy@gagecrib.com

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