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ISO 12164-1:2023

Hollow taper interface with flange contact surface — Part 1: Shanks of types A, AB, C, CB and EB

Standard Details

This document specifies the dimensions of hollow taper shanks with flange contact surface (HSK). These shanks are the male part of the interface to the machine tools (e. g. milling/drilling, turning and grinding machines).

This document specifies five types of shanks:

     types A, AB and EB have a peripherally grooved flange for automatic tool change;

     types C and CB have a flange without peripheral groove and can only be changed manually.

HSK types A and AB can also be changed manually via radial access bore holes in the hollow shank tapers.

This document provides information for dynamically balanced HSK‑AB and HSK‑CB shanks balancing according to ISO 16084.

General Information

Status : Published
Standard Type: Main
Document No: ISO 12164-1:2023
Document Year: 2023
Pages: 44
Edition: 2
  • Section Volume:
  • ISO/TC 29/SC 9. Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces
  • ICS:
  • 25.060.20 Dividing and tool-workpiece holding devices

Life Cycle

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ISO 12164-1:2023
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