E25-017

February 1987

Published document Cancelled

Fasteners. Clearance holes for bolts and screws. Counterbores and countersinks. Dimensions.

Il est apparu intéressant à la commission de normalisation "Boulonnerie" de regrouper en un seul fascicule de documentation les dimensions des usinages à réaliser dans les pièces d'un assemblage pour y loger soit le corps, soit la tête des vis ou les écrous.

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Main informations

Collections

National standards and national normative documents

Publication date

February 1987

Number of pages

6 p.

Reference

E25-017

ICS Codes

21.060.10 Bolts, screws, studs

Classification index

E25-017

Print number

1 - mars 1987

International kinship

ISO 273:1979

Sumary

Fasteners. Clearance holes for bolts and screws. Counterbores and countersinks. Dimensions.

Il est apparu intéressant à la commission de normalisation "Boulonnerie" de regrouper en un seul fascicule de documentation les dimensions des usinages à réaliser dans les pièces d'un assemblage pour y loger soit le corps, soit la tête des vis ou les écrous.

Replaced standards (2)

NF E27-040

August 1979

Standard Cancelled

Fasteners. Clearance holes for bolts and screws.

NF E27-041

February 1972

Standard Cancelled

Counterbores.

Standard replaced by (2)

NF E25-017

March 2006

Standard Current

Fasteners - Counterbores for bolts and screws - Dimensions

Le présent document définit les dimensions des chambrages et lamages destinés à servir de surface d'appui aux éléments de fixation suivants : - vis à métaux à tête hexagonale ; - vis à métaux à tête cylindrique (à empreinte ou à fente).

NF EN 20273

June 1992

Standard Current

Fasteners. Clearance hole for bolts and screws.

Specifies diameters for general purpose applications; tabulates the hole diameters for fine, medium and coarse series for thread diameters from 1 mm up to 150 mm; holes for special applications should be selected on the basis of design requirements.

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