<p>Flat Washer, Steel, Inch, Fastener Finish Zinc Plated, Fits Bolt Sizes 1/4 In., Washer Inside Dia. 9/32 In., Washer Outside Dia. 1/2 In., Thickness 0.071 In., Thickness Tolerance -0.015 In., Rockwell Hardness B49, Washer Standards ANSI B18.22.1, Package Quantity 25</p> <p><br /><b>Features</b></p> <ul> <li>Item: Flat Washer</li> <li>Fits Bolt Sizes: 1/4&quot;</li> <li>Thickness: 0.071&quot;</li> <li>Rockwell Hardness: B49</li> <li>Thickness Tolerance: -0.015&quot;</li> <li>System of Measurement: Inch</li> <li>Fastener Finish: Zinc Plated</li> <li>Flat Washer Type: Flat Washer</li> <li>Washer Inside Dia.: 9/32&quot;</li> <li>Washer Material Grade: Low Carbon</li> <li>Washer Outside Dia.: 1/2&quot;</li> <li>Washer Basic Material: Steel</li> <li>Washer Standards: ASME B18.22.1</li> </ul> <p></p>