3/4"-16, THK=41/64", A/F=1-1/8" Slotted Hex Nuts, Finished Nut Pattern, Steel, Zinc Plated

Also known as castellated nuts.Designed to use a cotter pin that fits through the slots to prevent the nut from loosening.Diameter (Nominal): 3/4"Thread Pitch: 16Thickness (Nominal): 41/64"Across Flats (Basic): 1-1/8"Product Class: Internally Threaded...