Assembly tools for screws and nuts. Machine-operated screwdriver bits - Screwdriver bits for cross-recessed head screws Ingestion-build-105964 Symbols and abbreviated terms

Symbols and abbreviated terms

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Identification and terms and definitions

Assembly tools for screws and nuts. Machine-operated screwdriver bits - Screwdriver bits for cross-recessed head screws Ingestion-build-105964 Symbols and abbreviated terms1 Scope This part of ISO 2351 prescribes the technical specifications for machine operated screwdriver bits for cross recessed head screws. It applies to bits with male hexagon drive or with cylindrical flat end drive as defined in ISO 1173, and to tips for screwdrivers as defined in ISO 8764 1. It also gives recommended combinations between tips and bits.