Lock Nut, Nut Style Self Locking Flange Nut - Serrated, System of Measurement Inch, Steel, Fastener Finish Zinc Plated, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Dia./Thread Size 1/2 In.-13, Material Grade Grade A, Width Across Flats 3/4 in, Nut Height 29/64 in, Nut Standards ASME B18.16.4, Flange Dia. 1.031 in, Package Quantity 50 Package of 6.
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