ASME B5.62M pdf download Hollow Taper Tooling With Flange-Face Contact 1-1GENERAL 1-1.1 Scope This Standard covers basic toolholder shanks with ahollow 1/9.98 taper, and simultaneous contact faceand taper mating surfaces that are applicable to arange of machine tool applications. Hollow taper shank(HSk shank) Forms A,B,C D,E.F. and T with nominalflange diameters of 25 mm to 160 mm are covered bythis...