This self-locking hex nut with a nylon insert is manufactured to DIN 985 and ISO 10512 standards and features a non-metallic locking element. Made from steel with an electrolytic zinc plating, it's finished for indoor use or applications with very mild exposure. The nut has a metric fine thread and is rated at strength class |10|. Please note: class |10| nuts are rated according to DIN 267-4 and have a lower load capacity than class 10 nuts per ISO 898-2. Mechanical overloading may cause the threads on the nut or bolt to strip.