Cap Nut, Profile Flattened Head, Material Grade/Class Not Graded, Material Steel, Finish Chrome Plated, Thread Size 5/8 In.-18, Overall Height 1 in, Hex Width 15/16 in, Tensile Strength 70,000 psi, Material Quality Standards ASTM 12L14, System of Measurement Inch, Color Chrome, Pack Size Small Pack, Thread Direction Right Hand, Package Quantity 5