<p>Lock Washer, External Tooth, 302 Stainless Steel, Finish Plain, Fits Bolt Sizes 5/16 In, Inside Dia. 0.320 In, Outside Dia. 0.601 In, Thickness 0.029 In, Thickness Tolerance 0.034 to 0.028 In, Color Silver, Rockwell Hardness B85 max, N/A, Meets/Exceeds ASME B18.21.1, Package Quantity 50</p> <p><br /><b>Features</b></p> <ul> <li>Color: silver</li> <li>Finish: Plain</li> <li>Inside Dia.: 0.320&quot;</li> <li>Item: Lock Washer</li> <li>Material: 302 Stainless Steel</li> <li>Outside Dia.: 0.601&quot;</li> <li>Type: External Tooth</li> <li>Fits Bolt Sizes: 5/16&quot;</li> <li>Thickness: 0.029&quot;</li> <li>Meets/Exceeds: ASME B18.21.1</li> <li>Rockwell Hardness: B85 max</li> <li>Thickness Tolerance: 0.034 to 0.028&quot;</li> </ul> <p></p>