6000 pcs 5/16"-18 Hex Jam Thin Nuts, Steel Lock Nuts for Automotive, Machinery & DIY Projects - Bulk Hardware Fasteners for Secure Assembly

DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 5/16"- Thread Pitch: 18- Diameter (Dimension): 0.3125"- Thread Length (Nominal): 0.188"- Across Flats (Basic): 1/2"- Across Flats (Minimum): 0.489"- Across Flats (Maximum): 0.5"- Height (Basic): 3/16"- Height (Minimum): 0.18"- Height (Maximum): 0.195"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.

Jam nuts are also known as low form nuts or thin nuts.

Jam nuts are about half the height of regular finished nuts.