ISO 3338-2:2013规定了铣刀扁平圆柱柄的尺寸，单扁平柄的直径为6 mm至20 mm，双扁平柄的直径为25 mm至63 mm，倾斜夹紧面柄的直径为6 mm至32 mm。对于单平头刀柄，它适用于单端刀具和双端刀具，因为双平头刀柄不能容纳单端刀具。 ISO 3338中给出了普通圆柱柄和螺纹柄的尺寸- 1和ISO 3338-3。ISO 3338-1和ISO 3338-2:2013涵盖的两种柄类型具有相同的尺寸特征（直径和长度），但直径公差不同。

ISO 3338-2:2013 specifies the dimensions of flatted cylindrical shanks for milling cutters, of diameters 6 mm to 20 mm for single-flatted shanks, of 25 mm to 63 mm for double-flatted shanks and of 6 mm to 32 mm for shank with inclined clamping surface. In the case of single-flatted shanks, it is applicable to both single-ended cutters and double-ended cutters, as double-flatted shanks cannot admit single-ended cutters. The dimensions of plain cylindrical shanks and threaded shanks are given in ISO 3338-1 and ISO 3338-3, respectively. The two shank types covered by ISO 3338-1 and ISO 3338-2:2013 have the same dimensional characteristics (diameters and lengths), but different tolerances on diameters.