Main informations

Collections

National standards and national normative documents

Publication date

September 1981

Number of pages

6 p.

Reference

NF E27-185

ICS Codes

21.060.10 Bolts, screws, studs

Classification index

E27-185

Print number

1

Standard replaced by (1)

NF E25-020

August 1993

Standard Cancelled

Fasteners. Six lobes recess X.

Il s'agit d'une norme générale des éléments de fixation qui définit géométriquement l'empreinte à six lobes internes X utilisée comme mode d'entraînement des vis, ainsi que les méthodes de contrôle de cette empreinte.

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