BS 2558:1954 - Specification for tubular box spanners

BS 2558:1954

Specification for tubular box spanners

Status : Current, Confirmed   Published : December 1954



Steels for spanners and tommy bars; hardness figures, performance test. Two grades of spanner. Dimensions: unified precision hexagons, normal series, in BS 1768; Unified black hexagons, heavy series, in BS 1769; Unified machine screw hexagons in BS 1981; precision hexagons B.S.W. and B.S.F. in BS 1083; black hexagons in BS 916; B.A. hexagons in BS 57; Whitworth large hexagons (originally in BS 190, now obsolete); metric hexagons.

Standard NumberBS 2558:1954
TitleSpecification for tubular box spanners
StatusCurrent, Confirmed
Publication Date31 December 1954
Confirm Date01 June 2016
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
Amended ByPD 2150
PD 2696
PD 3590
Draft Superseded ByCN(MEE)7582 DC
DescriptorsBox spanners, Spanners, Wrenches, Hexagonal-head fasteners, Steels, Marking, Threads, Thread forms, Performance testing, Dimensions, Size, Designations, Torsion testing, Imperial system
Title in FrenchCles a douille tubulaires. Specification
Title in GermanHuelsenschluessel. Spezifikation
ISBN0 580 34580 7
File Size416.5 KB

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