This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
Specifies the basic dimensions of rope threaded drill steel equipment for percussive drilling of 8 nominal sizes. This equipment comprises mainly hexagonal shank rods, extension rods, coupling sleeves and drill bits.
Status: PublishedPublication date: 1991-02
Edition: 1Number of pages: 7
Technical Committee: ISO/TC 82 Mining
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