BS ISO 12164-4:2023

Hollow taper interface with flange contact surface. Receivers of types T and U for hollow taper shanks of types T, TA and U | Status: Current

1 Scope This document specifies dimensions for receivers with taper and flange contact surfaces for hollow taper shanks (HSK) according to ISO 12164‑3 to be applied to machine tools (turning and combinations of turning and milling machines). This document specifies two types of receivers:

• — type T for automatic tool change;
• — type U for manual tool change only, via radial holes in both the receiver and the tool shank.

NOTE 1 The receivers of types T and U fit the HSK shanks T, TA and U (according to ISO 12164‑3). The receivers also fit the HSK shanks A, AB, C and CB according to ISO 12164‑1.

NOTE 2 HSK types A, AB, C, CB, T and TA can also be changed manually.