Made in USA - 5/16-18 Grade 8 Steel Hex Flange Lock Nut

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Item #: 64711138Brand: Made in USAModel #: Features and Benefits Hex flange lock nuts have a six-sided head and a flanged, washer-like base. They are used to cover oversized holes or when a flat washer is not practical. The lock nut's flange creates a wide bearing surface. Product Specifications System of Measurement Inch Type Hex Flange Lock Nut Material Steel Thread Size 5/16-18 Height (Decimal Inch) 0.3650 Material Grade Grade 8 Finish/Coating Zinc Yellow Dichromate Flange Diameter (Decimal Inch) 0.6800 Width Across Flats (Decimal Inch) 0.5020 Show more