30.20 May 8, 2026
ISO
ISO/TC 2/SC 7
International Standard
Specifies for fully threaded screws with machined, or rolled threads pitches of the thread ranging from 0,2 mm to 6 mm and thread diameters (coarse thread) ranging from 1 mm to 68 mm; it does not apply to those threaded fasteners where special requirements are laid down in the product standards.
PUBLISHED
ISO 3508:1976
PROJECT
ISO/CD 3508
30.20
CD study/ballot initiated
May 8, 2026
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