标准摘要
[中文适用范围]： 本文件规定了钢制、螺纹尺寸 ST2,9 至 ST6,3、产品等级 A 的带自攻螺纹的六角垫圈头钻螺钉的特性。 [外文原描述]： This document specifies the characteristics of hexagon washer head drilling screws with tapping screw threads, made of steel, with thread sizes ST2,9 to ST6,3, and with product grade A.
英文名称Fasteners — Hexagon washer head drilling screws with tapping screw thread