<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Standard</td><td>National standard</td><td>Compatible Screw Size</td><td>None</td></tr><tr><td>material</td><td>T2 copper</td><td>Type</td><td>Flat washer</td></tr><tr><td>Surface Treatment</td><td>without treatment</td><td>application</td><td>Fasteners for the power industry</td></tr><tr><td>style</td><td>annealed</td><td>finish</td><td>without treatment</td></tr></tbody></table>