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ISO 723:1991

Rock drilling equipment — Forged collared shanks and corresponding chuck bushings for hollow hexagonal drill steels ISO 723:1991

Publication date:   Jan 24, 1991

General information

90.93 Standard confirmed   Dec 6, 2022

ISO

ISO/TC 82 Mining

International Standard

73.100.30   Equipment for drilling and mine excavation

Buying

Published

Language in which you want to receive the document.

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).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 723:1974

NOW

PUBLISHED
ISO 723:1991
90.93 Standard confirmed
Dec 6, 2022