BS 2558:1954
Current
The latest, up-to-date edition.
Specification for tubular box spanners
Hardcopy , PDF
English
31-12-1954
Cooperating organizations
Foreword
Specification
1. Scope
2. Material for spanners
3. Material for tommy bars
4. Heat treatment and hardness for Grade A spanners
5. Tommy bar holes
6. Designation and marking
7. Finish
8. Performance test
a. Grade A and Grade B spanners
b. Tommy bars
9. General dimensions
10. Tolerances
a. Tube wall
b. Formed ends of spanners
11. Tommy bars
Tables
1. Maximum dimensions across flats of hexagons
2. Dimensions for tubular box spanners for Unified
hexagon sizes (BS 1768 and BS 2708, Normal Series
and BS 1769, Heavy series)
2A. Dimensions of tubular box spanners for Unified
hexagon sizes (Normal Series) to BS 1768 and BS 2708
3. Dimensions of tubular box spanners for Unified
machine screw and machine screw nut hexagons
(BS 1981)
4. Dimensions of tubular box spanners for BS hexagons
(BS 916 and BS 1083) and Whitworth large hexagons
5. Dimensions of tubular box spanners for BS hexagons
(BS 57)
6. Dimensions of tubular box spanners for metric
hexagons
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