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Unfortunately, once you drill a hole in your hard hat, you void the warranty and also make NO longer OSHA acceptable. If they do a safety inspection and look at you helmet with holes in it, they WILL write you and your employer a citation.
Unfortunately, once you drill a hole in your hard hat, you void the warranty and also make NO longer OSHA acceptable. If they do a safety inspection and look at you helmet with holes in it, they WILL write you and your employer a citation.