Fasteners5/16-18 thread, PVC Hex NutsItem #HN150PV-3002PVC Resins have exceptional resistance to such chemicals as: acids, alkalies, and alcohols. They are non-oxidizing, self-extinguishing, and insoluble in most chemicalsper: EACall for AvailabilityRequest InformationType of productHex NutsMaterialPVCThread Type43236 ×