Do Hard Hats Expire? Service Life, Date Stamps, and When to Replace | WC Safety
Hard hats have no fixed legal expiration date, but the shell and suspension degrade and manufacturers set clear service-life limits. This guide explains how to read the date stamp, how long the shell and suspension last, what ANSI Z89.1 and OSHA say, and the inspection checklist that tells you when to replace a hard hat.
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