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immediate downloadReleased: 1954-12-31
BS 2558:1954 Specification for tubular box spanners

BS 2558:1954

Specification for tubular box spanners

CURRENCY
LANGUAGE
English
Standard number:BS 2558:1954
Pages:32
Released:1954-12-31
ISBN:0 580 34580 7
DESCRIPTION
This standard BS 2558:1954 Specification for tubular box spanners is classified in these ICS categories:
  • 25.140.30 Hand-operated tools

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.
This product includes: