Cap Nut, Material Grade/Class Not Graded, Material Brass, Finish Plain, Thread Size 1/2 In.-13, Overall Height 0.563 in, Hex Width 3/4 in, Tensile Strength 55,000 psi, Material Quality Standards ASTM B16, System of Measurement Inch, Pack Size Small Pack, Removable Yes, Resistance Properties , Nonmagnetic, Thread Direction Right Hand, Package Quantity 10