BS 84:1956 - Specification for parallel screw threads of Whitworth form

BS 84:1956

Specification for parallel screw threads of Whitworth form

Status : Revised, Superseded, Withdrawn   Published : September 1956 Replaced By : BS 84:2007

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Form of thread defined. Tables: basic sizes, limits, tolerances for 'class' bolts, nuts; BS Whitworth range, $9B in to 6 in; BS Fine range, $9C in to 4$9C in (limits and tolerances up to 3 in only). Also a Selected Thread series more suitable than BS Pipe parallel series for extra fine pitch applications. Appendices: limits, tolerances for B.S.W. and B.S.F. truncated bolts and nuts; bases of tolerances and allowances, formulae; effects of pitch and angle errors, acceptability of error combination; form of Whitworth crests; limits and tolerances for (non-preferred) 'close class' nuts.




Standard NumberBS 84:1956
TitleSpecification for parallel screw threads of Whitworth form
StatusRevised, Superseded, Withdrawn
Publication Date26 September 1956
Withdrawn Date30 November 2007
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS 84:2007
Amended ByPD 5902
Draft Superseded ByCT(MEE)6884 DC
DescriptorsWhitworth screw threads, Threads, Parallel threads, Thread forms, Thread pitch, Diameter, Nuts, Bolts, Dimensions, Metal coatings, Designations, Dimensional tolerances, Fits, Medium threads, Normal threads, Close-fit threads, Free threads
ICS21.040.20
Title in FrenchFilets de vis paralleles de forme Whitworth. Specification
Title in GermanZylindrische Schraubgewinde vom Typ Whitworth. Spezifikation
CommitteeFME/9
ISBN0 580 32662 4
PublisherBSI
FormatA4
DeliveryNo
Pages54
File Size962.6 KB
Price£254.00


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