The UNBRAKO 104917 is a 5/16-18 x 5/16" Knurled Cup Point Set Screw made from high-quality alloy steel, classified as Grade 8. This set screw is engineered to provide superior performance in applications requiring secure fastening and resistance to loosening due to vibration. The knurled cup point design enhances grip, ensuring a firm hold on the mating surface. Manufactured by UNBRAKO, a company with over a century of experience in producing high-tensile industrial fasteners, this set screw adheres to stringent quality standards, including those set by the American Society of Mechanical Engineers (ASME) B18.3 and British Standard (BS) 2470. The alloy steel composition offers increased tensile strength and durability compared to standard low-carbon steel fasteners, making it suitable for demanding industrial environments. The Grade 8 classification indicates a minimum tensile strength of 150,000 psi, ensuring the set screw can withstand high loads without failure. The knurled cup point provides a positive locking action, reducing the risk of loosening under dynamic loads. This feature is particularly beneficial in applications where vibration is a concern, such as in machinery and automotive components. By choosing the UNBRAKO 104917 set screw, businesses can enhance the reliability and longevity of their equipment, leading to reduced maintenance costs and improved operational efficiency. The high-quality alloy steel construction ensures resistance to wear and fatigue, extending the service life of the fastener and the components it secures. In summary, the UNBRAKO 104917 set screw offers a robust and reliable solution for fastening needs, combining high tensile strength, durability, and effective vibration resistance to meet the demands of industrial applications.