<p>Lock Nut, Nut Style Nylon Insert Lock Nut, System of Measurement Inch, Carbon Steel, Fastener Finish Zinc Yellow, Fastener Thread Direction Right Hand, Fastener Thread Type UNF, Dia./Thread Size 1/2 In.-20, Material Grade Grade 8, Width Across Flats 3/4 In., Nut Height 39/64 In., Nut Standards ASME B18.16.6, Package Quantity 25</p> <p><br /><b>Features</b></p> <ul> <li>Item: Lock Nut</li> <li>System of Measurement: Inch</li> <li>Basic Material: Carbon Steel</li> <li>Dia./Thread Size: 1/2&quot;-20</li> <li>Material Grade: Grade 8</li> <li>Fastener Finish: Zinc Yellow</li> <li>Fastener Thread Direction: Right Hand</li> <li>Width Across Flats: 3/4&quot;</li> <li>Nut Standards: ASME B18.16.6</li> <li>Nut Style: Nylon Insert Lock Nut</li> <li>Fastener Thread Type: UNF</li> </ul> <p></p>