ISO 723:1991
International Standard
Current Edition
·
Approved on
24 January 1991
Rock drilling equipment — Forged collared shanks and corresponding chuck bushings for hollow hexagonal drill steels
ISO 723:1991 Files
English
3 Pages
Current Edition
20.11 BHD
ISO 723:1991 Scope
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).
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