<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Standard</td><td>JISB1251</td><td>Compatible Screw Size</td><td>M5,M6,M8</td></tr><tr><td>material</td><td>purple copper</td><td>Type</td><td>grommet</td></tr><tr><td>Outer Diameter</td><td>30mm Customizable</td><td>Inside Diameter</td><td>M4</td></tr><tr><td>Surface Treatment</td><td>Galvanizing</td><td>Hardness</td><td>430 HV</td></tr><tr><td>application</td><td>washer M16 M18 M24</td><td>style</td><td>None</td></tr><tr><td>finish</td><td>Galvanizing</td><td>Outside Diameter</td><td>30mm Customizable</td></tr></tbody></table>
