International Standard
ISO 1722:1974
Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Reverse-buttress-threaded equipments 1 1/2 to 2 1/2 in (38 to 64 mm)
Reference number
ISO 1722:1974
Edition 1
1974-09
International Standard
Read sample
ISO 1722:1974
6342
Published (Edition 1, 1974)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 1722:1974

ISO 1722:1974
6342
Language
Format
CHF 42
Convert Swiss francs (CHF) to your currency

Abstract

Specifies the basic dimensions for equipment. Gives a list of components; tabulates together with figures: size of drill-steel in bar form; lengths of extension rods; coupling sleeves; bit diameters (four-wing bits); reverse-buttress threads; hollow hexagonal bars for extension rods.

General information

  •  : Published
     : 1974-09
    : International Standard confirmed [90.93]
  •  : 1
     : 6
  • ISO/TC 82
    73.100.30 
  • RSS updates

Life cycle

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