Product Description
- Heavy hex nuts are thicker and have a larger across flats as compared to regular nuts.
- The heads of grade 5 steel fasteners are typically marked with 3 raised radial lines.
- Grade 5 steel fasteners have a minimum tensile strength of 105,000 pounds per square inch.
- Diameter (Nominal): 5/16"
- Thread Pitch: 18
- Diameter (Dimension): 0.3125"
- Thread Length (Nominal): 0.297"
- Across Flats (Basic): 9/16"
- Across Flats (Minimum): 0.546"
- Across Flats (Maximum): 0.562"
- Height (Basic): 19/64"
- Height (Minimum): 0.28"
- Height (Maximum): 0.314"
- Category: Hex Heavy Nuts
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Drive Style: External Hex Drive
- Pitch: UNC Coarse Thread
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Grade: Grade 5
- Coating: Zinc Plated
- Coating Color: Clear
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.2.2 and SAE J995
Product Videos
Custom Field
Across Flats (Basic) 9/16"
Across Flats (Maximum) 0.562"
Across Flats (Minimum) 0.546"
Brand Aspen Fasteners
Category Hex Heavy Nuts
Coating Zinc Plated
Coating Color Clear
Diameter (Dimension) 0.3125"
Diameter (Nominal) 5/16"
Drive Style External Hex Drive
Height (Basic) 19/64"
Height (Maximum) 0.314"
Height (Minimum) 0.28"
Material Steel
Material Grade Grade 5
Order Nuts
Origin Origin Undefined
POS NU021-51618-002000
Pitch UNC Coarse Thread
Product Class Internally Threaded Fasteners
Standards and Specifications ASME B18.2.2 and SAE J995
System of Measurement Inch
Thread Direction Right-Hand Thread
Thread Length Full Thread
Thread Length (Nominal) 0.297"
Thread Pitch 18
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/NU021-51618
