Dimensions of Castle Nuts

Hex Castle Nuts             

            Hex Castle Nuts
Hex Castle Nuts
Nominal Size or Basic Major Diameter of Thread F G H T S R W Runout of Bearing Surface FIM
Width Across Flats Width Across Corners Thickness Unslotted Thickness Width of Slot Radius of Filet Dai. of Cylin- drical
Basic Max Min Max Min Basic Max Min Nom Max Min Max Min +-.010 Min Max
5/8 0.6250 15/16 0.938 0.922 1.083 1.051 23/32 0.731 0.706 1/2 0.51 0.49 0.24 0.18 0.156 0.797 0.021
3/4 0.7500 1-1/8 1.125 1.088 1.299 1.240 13/16 0.827 0.798 9/16 0.57 0.55 0.24 0.18 0.188 0.941 0.023
7/8 0.8750 1-5/16 1.312 1.269 1.516 1.447 29/32 0.922 0.890 21/32 0.67 0.64 0.24 0.18 0.188 1.097 0.025
1 1.0000 1-1/2 1.500 1.450 1.732 1.653 1" 1.018 0.982 23/32 0.73 0.70 0.30 0.24 0.188 1.254 0.027