NF ISO 12164-4, E62-507-4 (11/2023)

This document specifies the dimensions of hollow-taper-face spindle noses for hollow-taper shanks (HSK) conforming to ISO 12164-3, for use on machine tools (e.g., for turning, and combinations turning and milling). This document specifies two types of spindle noses: — type T for automatic tool change; — type U for manual tool changing only, via radial bores in the spindle nose and tool shank. NOTE 1 Type T and U pin noses are suitable for HSK T, TA and U shanks (in accordance with ISO 12164-3). The spindle noses are also suitable for HSK A, AB, C and CB shanks in accordance with ISO 12164-1. NOTE 2 HSK types A, AB, C, CB, T and TA can also be changed manually.
(Automatic translation from French)