BS 1580-3:2007
Current
The latest, up-to-date edition.
Unified screw threads Screw threads with diameters below ¼ in. Requirements
Hardcopy , PDF
English
31-12-2007
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.
| 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 |
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.
| 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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