標準號：BS EN ISO 2320-2008
中文標準名稱：通用扭矩型鋼制螺母.機械特性和性能特性
英文標準名稱：Prevailing torque type steel nuts - Mechanical and performance properties
標準類型：J13
發布日期：2008/12/31 12:00:00
實施日期：2008/12/31 12:00:00
中國標準分類號：J13
國際標準分類號：21.060.20
引用標準：ISO 273-1979;ISO 898-1;ISO 898-2;ISO 898-6;ISO 965-2;ISO 16047
適用范圍：This International Standard specifies the mechanical and performance properties for prevailing torque typesteel nuts when tested at an ambient temperature range of +10 °C to +35 °C. It includes a single test todetermine the prevailing torque properties (performance properties) and/or the torque/clamp force properties.This International Standard applies to prevailing torque all metal type nuts and prevailing torque non-metallicinsert type nuts:a) with triangular ISO thread according to ISO 68-1;b) with diameter/pitch combination according to ISO 261 and ISO 262;c) with coarse pitch thread M3 to M39 and mechanical properties according to ISO 898-2;d) with fine pitch thread M8×1 to M39×3 and mechanical properties according to ISO 898-6;e) within the temperature range of ?50 °C to +150 °C for prevailing torque all metal type nuts;