Cage Nut Nut Shape Square Nut Finish -3B ZINC ELECTROPLATE Minimum Panel Thickness 0.125 in Maximum Panel Thickness 0.156 in Overall Width 0.54 in Overall Length 0.53 in System of Measurement Inch Thread Size 1/4-20 Cage Finish -3B ZINC ELECTROPLATE Cage Material STEEL Clip-On Style Square Color Silver Dimensional Standards ASME B18.18-2017 Enclosure Type Enclosed Nut For Hole Diameter 0.25 in For Use in Systems Rack-Mounted Electronic Equipment Hex Width 7/16 in