ISO/CD 3508

Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO 262

General information

Current stage: 30.20 Effective date: May 8, 2026

Originator: ISO

Owner: ISO/TC 2/SC 7

Type: International Standard

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 3508:1976

NOW

IN_DEVELOPMENT
ISO/CD 3508
30.20 CD study/ballot initiated
May 8, 2026

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