ISO 2320:2015 有效力矩型钢螺母 机械和工作性能

标准编号：ISO 2320:2015

中文名称：有效力矩型钢螺母 机械和工作性能

英文名称：Fasteners — Prevailing torque steel nuts — Functional properties

发布日期：2015-12

标准范围

This International Standard specifies the functional properties for prevailing torque steel nuts whentested at an ambient temperature range of +10 °C to +35 °C. It includes a combined test method todetermine the prevailing torque properties and the torque/clamp force properties at the same time.It applies to prevailing torque all metal type nuts and prevailing torque non-metallic insert type nuts:— with triangular ISO thread in accordance with ISO 68-1;— with diameter/pitch combination in accordance with ISO 261 and ISO 262;— with coarse pitch thread M5 to M39 or with fine pitch thread M8 × 1 to M39 × 3;— with thread tolerances in accordance with ISO 965-2;— with mechanical properties in accordance with ISO 898-2;Prevailing torque values specified in this standard are based on laboratory test conditions.

标准预览图