ISO 10207:1991 Preview
Rock drilling equipment -- Rope threaded drill steel equipment for percussive drilling, nominal sizes 22 mm to 38 mm
This standard was last reviewed and confirmed in 2013. 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.