Coatings & Finishes - FastenerInsight

Standards

Demystifying ISO 4042: The Essential Guide to Electroplated Fasteners

ISO 4042 is the internationally recognized standard for electroplated coating systems on fasteners. This guide covers thickness requirements, hydrogen embrittlement, passivation, and salt spray testing.

AI-generated 3 min read Jul 2026

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Coatings

Geomet vs Dacromet vs Ruspert: Performance and Fastener Coating Requirements

Geomet, Dacromet, and Ruspert are widely used corrosion-protective coatings for fasteners. This guide covers corrosion resistance, hydrogen embrittlement, friction control, and practical selection.

AI-generated 2 min read Jul 2026