<div class="pad_b15" style="position: relative;"><img alt="Cantilever Shaft - Heavy Load, Tapped End  Dimensional Drawing" src="//uk.misumi-ec.com/linked/item/10300099340/img/drw_20.gif" /><div style="position: absolute; top: 310px; left: 10px;">Dimensions of Wrench Flats when Y &ge; 17</div></div><div class="pad_b15"><table cellspacing="0" rules="all"><tbody><tr><td align="center" class="headerCell">Type</td><td align="center" class="headerCell">[M] Material</td><td align="center" class="headerCell">[S] Surface treatment</td></tr><tr><td class="bodyCell"><font class="fontType">FXMB</font></td><td align="center" class="bodyCell" rowspan="2">EN 1.1191 Equiv.</td><td align="center" class="bodyCell">Black Oxide</td></tr><tr><td class="bodyCell"><font class="fontType">PFXMB</font></td><td align="center" class="bodyCell">Electroless Nickel Plating</td></tr><tr><td class="bodyCell"><font class="fontType">SFXMB</font></td><td align="center" class="bodyCell">EN 1.4301 Equiv.</td><td align="center" class="bodyCell">&mdash;</td></tr></tbody></table></div>