BSI 21/30400669 DC:2021 Edition

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BS ISO 12164-1. Hollow taper interface with flange contact surface – Part 1. Shanks of types A, AB, C, CB and EB

Published By	Publication Date	Number of Pages
BSI	2021	34

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Categories: 25.060.20 - Dividing and tool-workpiece holding devices, BSI

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Description

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 peripherally grooved flange collars for automatic tool change;
Types C and CB have a flange collar 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 . The definition of the dynamic balancing is based on ISO 16084 .

Additional information

Status	Definitive
Pages	34
Publication Date	2021-08-04
Standard Number	21/30400669 DC
Title	BS ISO 12164-1. Hollow taper interface with flange contact surface – Part 1. Shanks of types A, AB, C, CB and EB
Identical National Standard Of	ISO/DIS 12164-1
Descriptors	Hollow, Interfaces, Machine tools, Dimensions, Machine tool components, Tool shanks, Tapered, Flanged fittings, Flanges, Tool-holding devices
Publisher	BSI
Committee	W/-
ICS Codes	25.060.20 - Dividing and tool-workpiece holding devices

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BSI 21/30400669 DC:2021 Edition

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