標準號：ISO 4228-1986
中文標準名稱：扳手 機動套筒扳手花鍵傳動頭
英文標準名稱：Spanners and wrenches; Spline drive ends for power socket wrenches
標準類型：K64;J47
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：K64;J47
國際標準分類號：25.140.30
適用范圍：Covers both the male end dimensions, and the female end dimensions. The pitch p/ps as given in the tables defines the spline dimensions. The first number is the diametral pitch; the second number is the stub pitch; it denotes, as the fractional part of an inch, the basic radial length of engagement, both above and below the pitch circle. The module denotes the number of units of pitch diameter per tooth, in millimetres.