Coatings on metal fasteners - Specification for phosphate or phosphate and oil coatings Ingestion-build-52208 BS EN 2309 on Hole

BS EN 2309 on Hole sizes for solid rivets is useful for:

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The fluorine is separated from a test portion by distillation with sulphuric acid

BS 6349-3 has been revised by experts to bring it in line with technological developments and industry best practice

Coatings on metal fasteners - Specification for phosphate or phosphate and oil coatings Ingestion-build-52208 BS EN 2309 on Hole1 Scope This Part of BS 7371 specifies requirements for phosphate or phosphate and oil coatings on metal fasteners and accessories, applied by immersion or spraying. NOTE 1 Phosphate coatings are primarily intended for application to ferrous, zinc or zinc alloy fasteners. NOTE 2 Phosphate coatings can be used as an undercoat to improve the corrosion resistance and adhesion of a subsequently applied top coat (e. g. organic coating). NOTE 3 Phosphate