This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
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.
Status: PublishedPublication date: 1982-04
Edition: 1Number of pages: 5
Technical Committee: ISO/TC 10/SC 6 Mechanical engineering documentation
- ICS :
- 01.100.20 Mechanical engineering drawings
Buy this standard
|std 1 40|
|std 2 40||Paper|
A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)
Got a question?
Check out our FAQs
+41 22 749 08 88
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.