International Standard
ISO 722:1991
Rock drilling equipment — Hollow drill steels in bar form, hexagonal and round
Reference number
ISO 722:1991
Edition 3
1991-02
International Standard
Read sample
ISO 722:1991
4954
Published (Edition 3, 1991)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 722:1991

ISO 722:1991
4954
Language
Format
CHF 42
Convert Swiss francs (CHF) to your currency

Abstract

Specifies the dimensions for seven nominal sizes. This third edition cancels and replaces the second edition (1985), which has been technically revised (addition of round drill steels and extension of the range of sizes).

General information

  •  : Published
     : 1991-02
    : International Standard confirmed [90.93]
  •  : 3
     : 2
  • ISO/TC 82
  • RSS updates

Life cycle

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