DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 1/4"- Thread Pitch: 20- Diameter (Dimension): 0.25"- Thread Length (Nominal): 0.236"- Across Flats (Basic): 0.438"- Height (Basic): 0.236"- Flange Diameter: 0.594"PRODUCT ATTRIBUTES- Category: Hex Flange Nuts- System of Measurement: Inch- Brand: Aspen Fasteners- Drive Style: External Hex Drive- Thread Length: Full Thread- Thread Direction: Right-Hand Thread- Material: Steel- Coating: Zinc Plated- Coating Color: Clear- Origin: Origin UndefinedNB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.