ISO 10683 vs EN 13858 — Zinc Flake Coatings Comparison Tables 1. Scope Comparison Topic ISO 10683 EN 13858 Application Fasteners only (bolts, screws, studs, nuts, washers, pins, clips, etc.) Steel components except threaded fasteners Threaded fasteners included? YES NO (explicitly excluded) Hydrogen embrittlement focus High emphasis for fasteners ≥1000 MPa General note for steels … Continue reading ISO 10683 vs EN 13858 — Zinc Flake Coatings Comparison