This standard has been reviewed* and then confirmed in 2013.
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.
Edition: 1 (Monolingual) ICS: 73.100.30 Status: Published Stage: 90.93 (2013-07-08) TC/SC: ISO/TC 82 Number of Pages: 7
Revises: ISO 1719:1974
Revises: ISO 1720:1974