Fasteners. Bolts, screws, studs and nuts. Symbols and descriptions of dimensions Ingestion-build-100580 buildings and/or building contents from

buildings and/or building contents from the effects of smoke and heat in the event of fire

It should be used in conjunction with BS EN 61439-1

Contents of BS EN ISO 4287:

One level classification — Classes

Expression of the persistent characteristics and supporting principles of a system to guide acceptable change

Fasteners. Bolts, screws, studs and nuts. Symbols and descriptions of dimensions Ingestion-build-100580 buildings and/or building contents fromBS EN ISO 225: 2010 Fasteners. Bolts, screws, studs and nuts. Symbols and descriptions of dimensions This International Standard defines the symbols and gives descriptions of the dimensions of bolts, crews, studs and nuts for use in the appropriate product standards and drawings. This document is issued in the three official ISO languages English, French and Russian, and is also available in Chinese, German, Italian, Japanese, Spanish and Swedish.