ISO 723-1991 凿岩钎具 六角中空钎杆的锻造钎尾和钎肩

标准号：ISO 723-1991
中文标准名称：凿岩钎具 六角中空钎杆的锻造钎尾和钎肩
英文标准名称：Rock drilling equipment; forged collared shanks and corresponding chuck bushings for hollow hexagonal drill steels
标准类型：D81
发布日期：1999/12/31 12:00:00
实施日期：1991/2/15 12:00:00
中国标准分类号：D81
国际标准分类号：73.100.30
适用范围：Specifies the dimensions of both forged collared shanks and corresponding chuck bushings. Values are given for five nominal sizes. This second edition cancels and replaces the first edition (1974), which has been technically revised (extension of the range of sizes and specification of the size of the internal diameter at the forged collar).