These black-finish M4 round head screws are ideal for robotics and mechanical projects where both durability and aesthetics are important. The black coating provides additional corrosion resistance and a modern appearance, making them perfect for builds where visual detail matters. The rounded head helps prevent accidental snagging and ensures a clean, secure, and professional assembly. Technical Specifications: Fastener Type: Screw Drive Type: Allen (Hex) Material: Stainless Steel Head Type: Round Finish: Black Packaging: Bag – 100 pcs DIN Standard: 912 ISO Standard: 4762 Thread Size: M4 Drive Size: HEX3 Head Height: 4 mm Head Diameter: 7 mm