Hexagon socket screws and wrench keys: metric series - Specification for hexagon socket button head screws Ingestion-build-133579 incorporating in one mechanical enclosure

incorporating in one mechanical enclosure at least one smoke sensor and at least one other sensor which responds to heat

BS EN ISO 128-21:2001

where a comprehensive statement of requirements aids clarity

• Type of cable is appropriate

It is anticipated that if organizations are already using the existing BIM Level 2 BS/PAS suite of standards no changes will be required as there should be no inconsistency with projects using the ISO 19650 documents

Hexagon socket screws and wrench keys: metric series - Specification for hexagon socket button head screws Ingestion-build-133579 incorporating in one mechanical enclosure1 Scope This Part of this British Standard specifies requirements for hexagon socket button head screws with ISO metric threads and diameters from3 mm up to and including 16 mm. NOTE Particular attention is drawn to the note in clause 4 concerning the limitation on tensile strength.