Specification for tubular box spanners Ingestion-build-209418 1 System precautions

1 System precautions

BS EN 1301-1 specifies the technical conditions for inspection and delivery of aluminium and aluminium alloy drawn wire for general engineering applications

For the application of the system and for the correct allocation of numbers or their identification it is intended that the user consult ISO 6360-1 and ISO 6360-2 for general information

silver plated

BS EN 16601-00 provides users with an overview of the European Space Standards System (that is based on the ECSS System)

Specification for tubular box spanners Ingestion-build-209418 1 System precautionsWhat is BS 2558 Tubular box spanners about? BS 2558 relates to tubular box spanners suitable for the following hexagon standards or ranges: BS 1768, Unified precision hexagon bolts, screws, nuts (UNC and UNF threads) and plain washers. Normal series BS 1769, Unified black hexagon bolts, screws, nuts (UNC and UNF) and plain washers. Heavy series BS 1981, Unified machine screws and machine screw nuts BS 1083, Precision hexagon bolts, screws, nuts (BSW