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ISO 521:2011

Machine chucking reamers with cylindrical shanks and Morse taper shanks ISO 521:2011

Publication date:   Sep 26, 2011

General information

90.93 Standard confirmed   Oct 31, 2022

ISO

ISO/TC 29/SC 9 Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces

International Standard

25.100.30   Drills, countersinks, reamers

Buying

Published

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Scope

ISO 521:2011 specifies the dimensions of machine chucking reamers with cylindrical shanks and Morse taper shanks.
It deals with the following types of reamer:

machine chucking reamers with cylindrical shanks in the range from 1,32 mm to 20 mm diameter;
machine chucking reamers with Morse taper shanks in the range from 5,30 mm to 50 mm diameter.

For each type of reamer, ISO 521:2011 gives two tables, one showing preferred sizes with corresponding dimensions, and the other being a general table set out as functions of diameter steps. Provision is also made for tolerances on lengths, cutting diameters and the diameters of cylindrical shanks.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 521:1975

NOW

PUBLISHED
ISO 521:2011
90.93 Standard confirmed
Oct 31, 2022