BS 1580-1&2(1962) : 1962
Superseded
View Superseded by
SPECIFICATION FOR UNIFIED SCREW THREADS - DIAMETERS 1/4 INCH AND LARGER
Hardcopy , PDF
English
01-01-1962
12-31-2007
Covers UNC,UNF & UNEF (coarse, fine and extra fine thread series), and standard constant pitch series for an adjusted system of diameter/pitch combinations.Covers essential and design forms,and sets out,in table form,primary measurements,limits and tolerances for all diameter/pitch combinations in those 4 series.Sets out bases of tolerances for Unified screw threads;sets out 5 sizes with diameter less than 1/4in for attachment and general applications.Arises from negotiations involving UK,USA and Canada. Conforms with relevant sections of US standard ASA B1.1 - 1960.
| Committee |
GME/9
|
| DevelopmentNote |
Supersedes BS 1580(1953) (07/2004)
|
| DocumentType |
Standard
|
| Pages |
124
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| AS B133-1963 | Identical |
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