<p>Lock Washer, Internal Tooth, Type A, 410 Stainless Steel, Fits Bolt Sizes 1/4 In., Inside Dia. 0.256 In., Outside Dia. 0.460 In., Thickness 0.023 In., Rockwell Hardness C40, Meets/Exceeds ASME B18.21.1, Package Quantity 50</p> <p><br /><b>Features</b></p> <ul> <li>Inside Dia.: 0.256&quot;</li> <li>Item: Lock Washer</li> <li>Material: 410 Stainless Steel</li> <li>Outside Dia.: 0.460&quot;</li> <li>Type: Internal Tooth, Type A</li> <li>Fits Bolt Sizes: 1/4&quot;</li> <li>Thickness: 0.023&quot;</li> <li>Meets/Exceeds: ASME B18.21.1</li> <li>Rockwell Hardness: C40</li> </ul> <p></p>