BS ISO 7079:2016规定了直柄和莫氏锥柄取芯钻头的尺寸。它包括上述每种指定类型的两个表，分别给出了首选直径的尺寸（见表1和表2），以及根据直径范围定义的相应长度（见表3和表4）。表中仅显示了公制尺寸，这些尺寸在未来单独推荐用于此类钻机。 除非另有说明，否则这些钻头将为右手切削钻头。交叉引用:ISO 296ISO 13399购买本文件时可获得的所有现行修订均包含在购买本文件中。

BS ISO 7079:2016 specifies the dimensions of core drills with parallel shanks and with Morse taper shanks.It includes two tables for each of the above specified types, giving respectivelythe dimensions for the preferred diameter (see Tables 1 and 2), andthe corresponding lengths defined in terms of diameter ranges (see Tables 3 and 4).The tables show only metric dimensions which are alone recommended in the future for this type of drill. Unless otherwise stated, these drills will be right-hand cutting drills.Cross References:ISO 296ISO 13399All current amendments available at time of purchase are included with the purchase of this document.