標準號：BS 7751-2-1994
中文標準名稱：通用扭矩型鋼絲螺紋插件.ISO公制細牙螺紋規范
英文標準名稱：Prevailing torque type wire thread inserts - Specification for ISO metric fine pitch threads
標準類型：J04
發布日期：1994/9/15 12:00:00
實施日期：1994/9/15 12:00:00
中國標準分類號：J04
國際標準分類號：21.040.10
適用范圍：This Part of BS 7751 specifies requirements forprevailing torque wire thread inserts which, whenfitted into an appropriately prepared hole, will:a) provide ISO metric fine pitch female threads oftolerance class 5H or 6H in the free running coilswith sizes from M8 × 1 to M24 × 2 inclusive;b) accept ISO metric male threads conforming toBS 3643-1:1981 and BS 3643-2:1981;c) give a frictional resistance to rotation of a malethreaded component assembled with it, of such avalue that the insert assembly is considered selflocking;d) operate successfully in the temperaturerange – 50 °C to + 300 °C.