This International Standard specifies the dimensions, in millimetres, of rotary and rotary impact masonry drill bits with hardmetal tips, having diameters in the range 4 mm to 25 mm inclusive and overall and working lengths in the series short, long and extra-long.
It does not apply to hammer drills.
DIN ISO 5468:2007 history
2007DIN ISO 5468:2007 Rotary and rotary impact masonry drill bits with hardmetal tips - Dimensions (ISO 5468:2006) English version of DIN ISO 5468:2007-01