30.99 Apr 10, 2026
ISO
ISO/TC 2/SC 7
International Standard
Specifies the widths to be used in the respective product standards; it sets out a logical ratio between underhead (or nut) bearing area and the tensile stress area of the screw thread.
PUBLISHED
ISO 272:1982
PROJECT
ISO/CD 272
30.99
CD approved for registration as DIS
Apr 10, 2026