标准摘要
[中文适用范围]： 本国际标准规定了从ST 2,2到ST 9,5（含）螺纹尺寸的十字槽盘头自攻螺钉的特性。 [外文原描述]： ISO 7049:2011 specifies the characteristics of cross-recessed pan head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.
英文名称Cross-recessed pan head tapping screws