The 3-18031-5 is a metric set screw featuring a socket head and cup point design, manufactured by TE Connectivity. This fastener is designed for secure fastening and positioning in mechanical assemblies where precise alignment and holding force are required. The cup point geometry provides concentrated pressure for improved grip on cylindrical surfaces, making it ideal for shaft locking and positioning applications. The product is fully compliant with EU RoHS Directive 2011/65/EU, EU ELV Directive 2000/53/EC, and China RoHS 2, ensuring environmental and regulatory compliance. Common applications include machinery assembly, motor shaft retention, and precision equipment where reliable fastening is essential.