BS ISO 5468:2017规定了旋转式和旋转冲击式圬工钻机的尺寸，单位为毫米 硬质合金钻头，总直径在4 mm至25 mm之间，以及 系列中的工作长度有短、长和超长。它不适用于锤式钻机。交叉引用:ISO 13399购买本文件时提供的所有当前修订版均包含在购买本文件中。

BS ISO 5468:2017 specifies the dimensions, in millimetres, of rotary and rotary impact masonry drill bits with hardmetal tips, having diameters in the range of 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.Cross References:ISO 13399All current amendments available at time of purchase are included with the purchase of this document.