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ISO 26623-1:2020

Polygonal taper interface with flange contact surface — Part 1: Dimensions and designation of shanks

Standard Details

This document specifies dimensions for polygonal taper interfaces with flange contact surface — polygon shanks for automatic and manual tool exchange to be applied on machine tools (e. g. turning machines, drilling machines, milling machines and turn/milling centres as well as grinding machines). A range of shank sizes is specified.

These shanks incorporate a grooved flange to enable automatic tool exchange. The clamping can be realized by a circular groove using clamping segments or internal screw threads using centre-bolts.

The torque is transmitted by form lock (polygon).

General Information

Status : Published
Standard Type: Main
Document No: ISO 26623-1:2020
Document Year: 2020
Pages: 14
Edition: 3
  • 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 26623-1:2020
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