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ISO 263:1973

ISO inch screw threads — General plan and selection for screws, bolts and nuts — Diameter range 0,06 to 6 in ISO 263:1973

Publication date:   Apr 1, 1973

General information

90.93   Standard confirmed   Mar 17, 2026

ISO

ISO/TC 1 Screw threads

International Standard

21.040.20   Inch screw threads

Buying

Published

Language in which you want to receive the document.

Scope

Tabulates inch threads having the basic profile for triangular threads specified in ISO 68; contains sizes in the diameter range between 0.06 to 6 inch, comprising a number of series of diameter/pitch combinations, together with a system of thread designations.

Life cycle

NOW

PUBLISHED
ISO 263:1973
90.93 Standard confirmed
Mar 17, 2026




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