标准编号：ISO 3291:2016
中文名称：加长的莫氏锥柄麻花钻
英文名称：Extra-long Morse taper shank twist drills
发布日期：2016-11
标准范围
This International Standard specifies the dimensions of metric series cylindrical cutters with plain bore and key drive, intended for fitting to cutter arbors.It is applicable to solid cutters and also to interlocking cutters.Solid cutters are made either with straight teeth or with helicoidal teeth angled to the right or left; interlocking cutters are always made with straight or helicodial teeth angled to the left and right alternately.The range of outside diameters of these cutters is taken from ISO 523.
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