Galvanized Hex Socket Combo Screw with Flat Spring Washer, Cup Bolt Head M4/M5/M6/M8

This versatile combo screw set includes a hex socket screw paired with a flat spring washer and a cup bolt head, available in M4, M5, M6, and M8 sizes. Made from galvanized materials, these screws offer excellent corrosion resistance, making them ideal for a variety of applications in both indoor and outdoor settings. The hex socket design allows for easy installation and secure fastening, while the accompanying spring washer ensures a reliable hold by preventing loosening due to vibration or dynamic loads. Perfect for use in construction, furniture assembly, and machinery maintenance. Standard No.: GB/T70.1 Surface Treatment: White zinc plating Material Grade: 4.8 Manufacture country: China Instructions included: No