<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>material</td><td>Steel, Stainless Steel, Carbon Steel</td><td>Grade</td><td>Class 10.9 & 12.9</td></tr><tr><td>Thread Type</td><td>UNF</td><td>Head Type</td><td>Hex Flange Head</td></tr><tr><td>finish</td><td>Plain, Black Oxide</td><td>nuts per bolt</td><td>2, 3</td></tr><tr><td>Color</td><td>Plain</td><td>Standard</td><td>ISO</td></tr></tbody></table>