1/4"-20 X 1-1/8" Flange Screws, Hex Washer Head, Locking Serrations, Full Thread, Steel, Zinc Plated

Flange under the head acts like a washer to increase the bearing surface and distribute the load.Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.Diameter (Nominal): 1/4"Diameter (Dimension): 0.25"Thread Pitch:...