This hex nut is manufactured to DIN 934 standards and features a metric fine thread. Made from steel with an electrolytic zinc plating, it's ideal for indoor applications or environments with minimal exposure to the elements. Please note: Class |8| nuts are rated according to DIN 267-4 and have a lower load capacity than Class 8 nuts rated to ISO 898-2. Mechanical overloading may cause the threads on the nut or bolt to strip.