Cap Nut, Material Grade/Class 18-8, Material Stainless Steel, Finish Plain, Thread Size 1/2 In.-20, Overall Height 0.813 in, Hex Width 3/4 in, Tensile Strength 85,000 psi, Dimensional Standards SAE J483, Material Quality Standards AISI Grade 303, ASTM, System of Measurement Inch, Lock Type Self-Locking, Pack Size Small Pack, Removable Yes, Resistance Properties Corrosion Resistant, Rockwell Hardness B83 to B95, Thread Direction Right Hand