标准摘要
[中文适用范围]： 本文件规定了由钢和不锈钢制成、螺纹尺寸为 ST2、2 至 ST8、产品等级为 A 的六角垫圈头自攻螺钉的特性。 [外文原描述]： This document specifies the characteristics of hexagon washer head tapping screws, made of steel and stainless steel, with thread sizes ST2,2 to ST8, and with product grade A.
英文名称Fasteners — Hexagon washer head tapping screws