500Pcs High-strength Hexagon Screw Set Cup Head Round Cup Flat Cup with Nut Set M3M4M5 Diversified

Size: cm Head shape: cylindrical head fastener Product specifications: 500pcs round cup, 500pcs flat cup, 500pcs cup head, 500pcs smooth cup head 304, 500pcs round cup head 304, 500pcs cup head 304 Purpose: Standard Standard: DIN912 Nail Type: Screw Material: SCM440 (alloy steel) Product grade: Class A, Class B, Class C Applicable industries: sports equipment This set of products covers all kinds of basic accessories and special tools, and is created through fine processing technology and multiple quality inspection processes to ensure that each product is accurate in size and stable in structure, and is suitable for use needs in multiple scenarios. Whether it is the installation and fixation of daily households, the connection and combination of home decoration, the fastening support of industrial operations, and the precision coordination of mechanical maintenance, it can provide stable and reliable usage performance. The product has both wear resistance and use resistance, complies with industry safety standards, and easily meets core needs such as fastening, connection, and support. From home scenarios to industrial environments, we use solid quality to help efficient work and life convenience, and adapt to the functional needs of diverse use scenarios.