<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Standard</td><td>Gb</td><td>Compatible Screw Size</td><td>M3</td></tr><tr><td>material</td><td>Copper</td><td>Type</td><td>Flat</td></tr><tr><td>Outer Diameter</td><td>Customized</td><td>Inside Diameter</td><td>Customized</td></tr><tr><td>Surface Treatment</td><td>Zinc</td><td>Hardness</td><td>90</td></tr><tr><td>application</td><td>Heavy industry</td><td>style</td><td>Flat</td></tr><tr><td>finish</td><td>Zinc</td><td>Outside Diameter</td><td>Customized</td></tr></tbody></table>
