Fastener Wikipedia-ANSI B18.2.2 nut Dimensions

                               ANSI B18.2.2 

ANSI B18.2.2 is a standard covers several nut types, including specific dimensions and tolerances for hexagon nuts , the following is the table of Across flat and thickness of hex nut in ANSI B18 2.2

                                           ASME/ANSI B 18.2.2 (T4) - 2010

UNIT : inch