Spring Nut Nut Shape Cage Nut Nut Finish Zinc Plated Nut Material Steel Minimum Panel Thickness 0.025 in Maximum Panel Thickness 0.063 in Overall Width 0.49 in Overall Length 0.52 in Hole Center to Outside Edge 0.375 to 0.380 in System of Measurement Inch Thread Size #8-32 Cage Finish Zinc Plated Cage Material Steel Clip-On Style Square For Use in Systems Automotive Blind Assemblies Cabinet Construction Electrical Equipment Grill Panels HVAC Server Racks Head Height 0.313 in