50325-881-300 Clamp Screw - Overview. The 50325-881-300 Clamp Screw is a critical rigging component designed for Honda marine engine systems. It functions as a secure fastening screw within the rigging and accessory systems, playing an important role in maintaining the structural integrity and reliable operation of the marine equipment. This OEM clamp screw supports the system by ensuring parts are firmly connected, preventing operational issues that could arise from loose or missing hardware. M