标准摘要
[中文适用范围]： 规定了确保压力角为 20° 的起动机小齿轮的互换性所必需的公制模数、齿数和其他齿特性。 用于道路车辆往复式内燃机的起动马达。 [外文原描述]： Specifies the metric modules, number of teeth and other tooth characteristics which are necessary to ensure interchangeability of starter motor pinions with a pressure angle of 20°, used on starter motors for reciprocating internal combustion engines for road vehicles.
英文名称Road vehicles — Metric starter motor pinions — Part 2: Pinions with 20 degree pressure angle