Deviation, fundamental (ISO term) Per ASME B1.7-2006 Definitions [ back to main page ]
Deviation, fundamental (ISO term): for standard threads, the upper deviation is “es” for external thread , and the lower deviation is “EI” for an internal thread. see also allowanceandtolerance position.
Original Posting: 3/20/2012
Error corrections in, or comments about, the above data can be sent to: email@example.com