Unified screw threads Screw threads with diameters below ¼ in. Requirements

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-12-2007

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions and symbols
4 Thread profiles
5 Diameter/pitch combinations
6 Tolerance classes
7 Tolerances, allowances and limits of size for uncoated threads
8 Coated threads
9 Designation of threads
10 Gauges
Annexes
Annex A (normative) - Unified screw threads below [1/4] in
diameter for attachment purposes and for general use
in the aircraft industry
Bibliography

Describes limits of sizes, and tolerances, for single-start, clearance-fit unified screw threads, in inch units with diameters below [1/4] in.

This part of BS1580 specifies limits of sizes, and tolerances, for single-start, clearance-fit unified screw threads, in inch units with diameters below in. This part of BS1580 specifies unified screw threads from Number 0 (0.060 in diameter) to Number 12 (0.216 in diameter), known as the “numbered sizes?? in the following standard series: a coarse thread (UNC) series; a fine thread (UNF) series; for Number 12 threads, an extra fine (UNEF) 32 threads per inch diameter/pitch combination. NOTE Unified screw threads below in diameter for attachment purposes and for general use in the aircraft industry are specified in AnnexA.

Committee	FME/9
DevelopmentNote	Supersedes BS 1580-3(1965) & 07/30158492 DC. (12/2007) Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType	Standard
Pages	24
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 1580-3:1965

BS 3382-1&2(1961) : 1961	SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - CADMIUM ON STEEL COMPONENTS - ZINC ON STEEL COMPONENTS
BS 6528:1984	Glossary of terms for cylindrical screw threads
BS 93:1951	Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A.
BS 1580-1:2007	Unified screw threads Screw threads with diameters ¼ in and larger. Requirements
BS 3382-7:1966	Specification for electroplated coatings on threaded components Thicker platings for threaded components

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BS 1580-3:2007

Unified screw threads Screw threads with diameters below ¼ in. Requirements

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

Category

Subcategory