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ISO
ISO 6411:1982

ISO 6411:1982

Technical drawings — Simplified representation of centre holes

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General Information

Status :

Active

Standard Type : Main

Document No : ISO 6411:1982

Document Year : 1982

Pages : 5

Edition : 1

Section Volume : Mechanical engineering documentation (ISO/TC 10/SC 6.)

ICS : Mechanical engineering drawings (01.100.20)

This representation mode may be used particulary when it is not necessary to show the exact form and size and where the designation of standardized centre holes is sufficient for information. Annex A gives the dimensions for types R, A and B, and Annex B the proportions and dimensions of symbols.