Reference number
ISO 721:1991
International Standard
ISO 721:1991
Rock drilling equipment — Integral stems
Edition 2
1991-01
Read sample
ISO 721:1991
4952
Published (Edition 2, 1991)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 721:1991

ISO 721:1991
4952
Language
Format
CHF 42
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Abstract

Specifies the dimensions. The 19 mm hexagonal integral stems with forged collared shank shall comply with the dimensions shown in figure 1 and given in table 1. The 22 mm stems shall comply with the dimensions shown in figure 2 and given in table 2. The 25 mm stems shall comply with the dimensions shown in figure 3 and given in table 3.

General information

  •  : Published
     : 1991-01
    : International Standard confirmed [90.93]
  •  : 2
     : 4
  • ISO/TC 82
    73.100.30 
  • RSS updates

Life cycle

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