<p class="MsoBodyText"><span lang="EN-GB">This document specifies the characteristics of prevailing torque (all metal) hexagon high nuts with slot(s), in steel and stainless steel, with metric coarse pitch thread M5 to M39, and with product grades A and B.</span></p>
<p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;"> </span>These nuts are designed with <em style="mso-bidi-font-style: normal;">m</em><sub>min</sub> as specified ISO 4032 and with an overall height <em style="mso-bidi-font-style: normal;">h</em> greater than in ISO 7042, in order to accommodate the prevailing torque feature with slot(s); this height <em style="mso-bidi-font-style: normal;">h</em> contributes to the nut resistance due to the number of engaged threads. <em style="mso-bidi-font-style: normal;">h</em><sub>min</sub> values have been calculated as a function of <em style="mso-bidi-font-style: normal;">h</em><sub>max</sub> together with a ratio <em style="mso-bidi-font-style: normal;">h</em><sub>max</sub>/<em style="mso-bidi-font-style: normal;">D</em> that progresses regularly with increasing diameter; therefore, the tolerance (<em style="mso-bidi-font-style: normal;">h</em><sub>max</sub> – <em style="mso-bidi-font-style: normal;">h</em><sub>min</sub>) does not follow the ISO code system for tolerances (IT system).</span></p>
<p class="MsoBodyText"><span lang="EN-GB">If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO 3506-2.</span></p>
Registration number (WIID)
84424
Scope
<p class="MsoBodyText"><span lang="EN-GB">This document specifies the characteristics of prevailing torque (all metal) hexagon high nuts with slot(s), in steel and stainless steel, with metric coarse pitch thread M5 to M39, and with product grades A and B.</span></p>
<p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;"> </span>These nuts are designed with <em style="mso-bidi-font-style: normal;">m</em><sub>min</sub> as specified ISO 4032 and with an overall height <em style="mso-bidi-font-style: normal;">h</em> greater than in ISO 7042, in order to accommodate the prevailing torque feature with slot(s); this height <em style="mso-bidi-font-style: normal;">h</em> contributes to the nut resistance due to the number of engaged threads. <em style="mso-bidi-font-style: normal;">h</em><sub>min</sub> values have been calculated as a function of <em style="mso-bidi-font-style: normal;">h</em><sub>max</sub> together with a ratio <em style="mso-bidi-font-style: normal;">h</em><sub>max</sub>/<em style="mso-bidi-font-style: normal;">D</em> that progresses regularly with increasing diameter; therefore, the tolerance (<em style="mso-bidi-font-style: normal;">h</em><sub>max</sub> – <em style="mso-bidi-font-style: normal;">h</em><sub>min</sub>) does not follow the ISO code system for tolerances (IT system).</span></p>
<p class="MsoBodyText"><span lang="EN-GB">If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO 3506-2.</span></p>
