DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 3/8"- Thread Pitch: 24- Diameter (Dimension): 0.375"- Thread Length (Nominal): 0.219"- Across Flats (Basic): 9/16"- Across Flats (Minimum): 0.551"- Across Flats (Maximum): 0.562"- Height (Basic): 7/32"- Height (Minimum): 0.21"- Height (Maximum): 0.227"PRODUCT ATTRIBUTES- Category: Hex Jam Thin 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: Uncoated- Origin: Origin Undefined- Standards and Specifications: ASME B18.2.2 and SAE J995NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.