/wiki/ISO_metric_screw_thread" title="ISO metric screw thread">ISO metric screw thread</a></li>
</ul>
</div>
</td>
<td>
<div style="margin-right: 20px;">
<ul>
<li><a href="//en.wikipedia.org/wiki/Unified_Thread_Standard" title="Unified Thread Standard">Unified Thread Standard</a> (UTS, including UNC, UNF, UNS and UNEF)</li>
</ul>
</div>
</td>
</tr>
</table>
</div>
<h2><span class="mw-headline" id="References">References</span></h2>
<div class="reflist" style="list-style-type: decimal;">
<ol class="reference