12 Point Flange Nuts
Twelve Point Flange Nuts, or Ferry Head Nuts are tightened with standard twelve point socket wrenches. The 12 point design permits greater torque to be applied to the bolt and eliminates the rounding of the hex socket that occurs with standard hex sockets.
12 Point Flange Nuts Diameters
12 Point Flange Nuts are available on the FCH Network with Imperial/US diameters that range from #8 to 3/4 and with Metric diameters that range from M8 to M10.