Home > Zinc plated bolts available from Exafast

Zinc plated bolts available from Exafast

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Hydrogen Embrittlement is a phenomenon that can occur in high strength carbon and alloy steel fasteners (including grades 8 and 10, class 10.9 and 12.9 ) which have been electroplated.

It involves the trapping of hydrogen inside the fastener which causes microcracks, which can enlarge rapidly under load causing a brittle failure.

The built up hydrogen can be dissipated by baking the fasteners in an oven immediately after plating. All Exafast zinc plated bolts of a susceptible grade are treated in this way with full traceability on the process.

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