ISO 723:1991 岩石钻孔.空心六角形钻钢的锻造柄和卡紧套环

标准编号：ISO 723:1991

中文名称：岩石钻孔.空心六角形钻钢的锻造柄和卡紧套环

英文名称：Rock drilling equipment — Forged collared shanks and corresponding chuck bushings for hollow hexagonal drill steels

发布日期：1991-01

标准范围

指定锻造轴环柄和相应卡盘衬套的尺寸。给出了五种标称尺寸的数值。第二版取消并取代了第一版（1974年），第一版经过了技术修订（扩大了尺寸范围和锻造轴环内径尺寸规格）。

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).

标准预览图