This standard was last reviewed and confirmed in 2022.
Therefore this version remains current.
Abstract
PreviewDefines dimensions and tolerances of left-hand rope threads to be used on rope threaded drill steel equipment for percussive drilling. Five sets of values are given.
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Status: PublishedPublication date: 1991-02
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Edition: 1Number of pages: 2
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- ICS :
- 73.100.30 Equipment for drilling and mine excavation
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| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
- CHF40
Life cycle
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Previously
WithdrawnISO 1719:1974
WithdrawnISO 1720:1974
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