Lock Nut, Finish Zinc Plated, Material Steel, Material Grade/Class Grade A, Thread Size 5/16 In.-18, Hex Width 1/2 in, Hex Height 9/32 in, Lock Type Serrated, Dimensional Standards ASME B18.16.4, System of Measurement Inch, Hex Type Flange Hex, Thread Direction Right Hand, Flange Diameter 0.68 in, Pack Size Small Pack, Package Quantity 100 Hex Flange Locknuts provide vibration resistance and increased load over a wider bearing surface.⢠Meet IFI100/107 standards.
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