Flange Nut, Material Grade/Class Not Graded, Material Steel, Finish Black Oxide, Thread Size 3/4 In.-16, Hex Width 1 1/4 in, Hex Height 1 in, Flange Diameter 1 5/8 in, System of Measurement Inch, Color Black, Flange Thickness 0.25 in, Hex Type Flange Nut, Overall Height 1 in, Pack Size Small Pack, Rockwell Hardness 85-90 Rockwell on 15N Scale, Thread Direction Right Hand