5/16"-18 Hex Flange Nuts with Serrations, Grade 8 Steel, Yellow Zinc

PART NUMBER:
NU049-51618-001500
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  • Wide flange on one side acts as an integrated washer to distribute the load of the nut.
  • Also known as a serrated face flange locknut.
  • Serrations are angled to keep from rotating in the direction that would loosen the fastener.
  • The heads of grade 8 steel fasteners are typically marked with 6 raised radial lines.
  • Grade 8 steel fasteners have a minimum tensile strength of 150,000 pounds per square inch.
  • Diameter (Nominal): 5/16"
  • Thread Pitch: 18
  • Diameter (Dimension): 0.3125"
  • Thread Length: 0.283"
  • Across Flats (Basic): 0.5"
  • Height (Basic): 0.283"
  • Flange Diameter: 0.68"
  • Product Class: Internally Threaded Fasteners
  • Order: Lock Nuts
  • Category: Hex Flange Nuts
  • System of Measurement: Inch
  • Brand: Aspen Fasteners®
  • Form and Design: Locking Serrations
  • Drive Style: External Hex Drive
  • Thread Length: Full Thread
  • Thread Direction: Right-Hand Thread
  • Material: Steel
  • Material Grade: Grade 8 Steel
  • Coating: Zinc Plated
  • Coating Color: Yellow
  • Standards and Specifications: SAE J995
Product UPC Code:
698435263017
Product Class:
Internally Threaded Fasteners
Flange Diameter:
0.68"
Height (Basic):
0.283"
Across Flats (Basic):
0.5"
Thread Length:
0.283"
Thread Pitch:
18
Diameter (Dimension):
0.3125"
Diameter (Nominal):
5/16"
Standards and Specifications:
SAE J995
Coating Color:
Yellow
Coating:
Zinc Plated
Material Grade:
Grade 8 Steel
Material:
Steel
Thread Direction:
Right-Hand Thread
Thread Length:
Full Thread
Drive Style:
External Hex Drive
Form and Design:
Locking Serrations
Brand:
Aspen Fasteners(r)
System of Measurement:
Inch
Category:
Hex Flange Nuts
Order:
Lock Nuts
Shop by Material:
Steel
Shop by System of Measurement:
Inch
  • Description
    • Wide flange on one side acts as an integrated washer to distribute the load of the nut.
    • Also known as a serrated face flange locknut.
    • Serrations are angled to keep from rotating in the direction that would loosen the fastener.
    • The heads of grade 8 steel fasteners are typically marked with 6 raised radial lines.
    • Grade 8 steel fasteners have a minimum tensile strength of 150,000 pounds per square inch.
    • Diameter (Nominal): 5/16"
    • Thread Pitch: 18
    • Diameter (Dimension): 0.3125"
    • Thread Length: 0.283"
    • Across Flats (Basic): 0.5"
    • Height (Basic): 0.283"
    • Flange Diameter: 0.68"
    • Product Class: Internally Threaded Fasteners
    • Order: Lock Nuts
    • Category: Hex Flange Nuts
    • System of Measurement: Inch
    • Brand: Aspen Fasteners®
    • Form and Design: Locking Serrations
    • Drive Style: External Hex Drive
    • Thread Length: Full Thread
    • Thread Direction: Right-Hand Thread
    • Material: Steel
    • Material Grade: Grade 8 Steel
    • Coating: Zinc Plated
    • Coating Color: Yellow
    • Standards and Specifications: SAE J995
    Product UPC Code:
    698435263017

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