NomSize or BasicMajor Dia. of Thread F G H Width AcrossFlats WidthAcrossCorners Length Basic Max Min Max Min Basic Max Min 1/45/163/81/25/83/41 0.25000.31250.37500.50000.62500.75001.0000 3/81/29/163/415/161-1/81-1/2 0.3750.5000.5620.7500.9381.1251.500 0.3650.4890.5510.7360.9221.0881.450 0.4330.5770.6500.8661.0831.2991.732 0.4160.5570.6280.8391.0511.2401.653 3/415/161-1/81-1/21-7/82-1/43 0.760.951.131.511.892.273.03 0.740.931.111.491.862.222.97
Dimensions of Hex Coupling Nuts |