ASME B5.62M-2016 (R2022)

This Standard covers basic toolholder shanks with a hollow 1/9.98 taper, and simultaneous contact face and taper mating surfaces that are applicable to a range of machine tool applications. Hollow taper shank (HSK shank) Forms A, B, C, D, E, F, and T with nominal flange diameter of 25mm to 160mm are covered by this Standard.