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The steel hex flange lock nut comes in the thread size of 3/8 - 16 with a grade 8 design, making it suitable for heavy-duty applications such as locking fasteners that need durability against vibrations and tension, maintaining optimal tightness of joints or assemblies. As an important item in the industrial sector, it plays an essential role at MSC providing top quality nuts that meet high standards of excellence in materials and finishing for professional work settings.