<p>Flat Washer, Stainless Steel, Metric, Washer Material Grade A2, Fastener Finish Plain, Fits Bolt Sizes M18, Washer Inside Dia. 20.00mm, Washer Outside Dia. 56.00mm, Thickness 4mm, Rockwell Hardness Not Rated, Washer Standards DIN9021, Package Quantity 10</p> <p><br /><b>Features</b></p> <ul> <li>Item: Flat Washer</li> <li>Fits Bolt Sizes: M18</li> <li>Thickness: 4mm</li> <li>Rockwell Hardness: Not Rated</li> <li>System of Measurement: Metric</li> <li>Fastener Finish: Plain</li> <li>Flat Washer Type: Flat Washer</li> <li>Washer Inside Dia.: 20.00mm</li> <li>Washer Material Grade: A2</li> <li>Washer Outside Dia.: 56.00mm</li> <li>Washer Basic Material: Stainless Steel</li> <li>Washer Standards: DIN9021</li> </ul> <p></p>