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.