Cap Nut, Material Grade/Class Not Graded, Material Steel, Finish Zinc Plated, Thread Size 3/8 In.-24, Overall Height 0.625 in, Hex Width 9/16 in, Tensile Strength 70,000 psi, Dimensional Standards SAE J483, Material Quality Standards ASTM 12L14, System of Measurement Inch, Pack Size Small Pack, Removable Yes, Resistance Properties , Rockwell Hardness B80 to B90, Thread Direction Right Hand, Package Quantity 25