NF ISO 521

NF ISO 521

December 2002
Standard Cancelled

Machine chucking reamers with parallel shanks or Morse taper shanks

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Main informations

Collections

National standards and national normative documents

Publication date

December 2002

Number of pages

9 p.

Reference

NF ISO 521

ICS Codes

25.100.30   Drills, countersinks, reamers

Classification index

E66-013

Print number

1 - 20/12/2002

International kinship

ISO 521:1975
Replaced standards (2)
NF E66-014
March 1976
Standard Cancelled
Machine chucking reamers with parallel shanks.

La présente norme fixe les dimensions des alésoirs à machine à queue cylindrique, dans une gamme de diamètres de 1,32 mm (exclu) à 20 mm. Les alésoirs à machine à queue cône Morse (gamme de diamètres de 5,30 mm à 50 mm) font l'objet de la norme NF E 66-015.

NF E66-015
March 1976
Standard Cancelled
Machine chucking reamers with morse taper shanks (and expansion chucking reamers).

La présente norme fixe les dimensions des alésoirs à machine à queue cône Morse, dans une gamme de diamètres de 5,30 mm à 50 mm. Ces dimensions, à l'exception de la tolérance sur le diamètre taillant, sont valables pour les alésoirs expansibles. Les alésoirs à machine, à queue cylindrique (gamme de diamètres de 1,32 mm à 20 mm) font l'objet de la norme NF E 66-014.

Standard replaced by (1)
NF ISO 521
December 2011
Standard Current
Machine chucking reamers with cylindrical shanks and Morse taper shanks

<p>ISO 521:2011 specifies the dimensions of machine chucking reamers with cylindrical shanks and Morse taper shanks. </p> <p>It deals with the following types of reamer: </p> <ul> <li>machine chucking reamers with cylindrical shanks in the range from 1,32 mm to 20 mm diameter; </li> <li>machine chucking reamers with Morse taper shanks in the range from 5,30 mm to 50 mm diameter. </li> </ul> <p>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.</p>

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