1/2"-13 Square Heavy Nuts, Steel

DIMENSIONAL ATTRIBUTES Diameter (Nominal): 1/2" Thread Pitch: 13 Diameter (Dimension): 0.5" Thread Length (Nominal): 0.5" Across Flats (Basic): 7/8" Across Flats (Minimum): 0.85" Across Flats (Maximum): 0.875" Height (Basic): 1/2" Height (Minimum): 0...