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.
BS ISO 5468:2006 history
2017BS ISO 5468:2017 Rotary and rotary impact masonry drill bits with hardmetal tips. Dimensions
2006BS ISO 5468:2006 Rotary and rotary impact masonry drill bits with hardmetal tips - Dimensions
1992BS 5621:1992 Specification for dimensions of rotary masonry and rotary masonry impact drills with hardmetal tips
BS ISO 5468:2006 Rotary and rotary impact masonry drill bits with hardmetal tips - Dimensions has been changed from BS 5621:1992 Specification for dimensions of rotary masonry and rotary masonry impact drills with hardmetal tips.