50325-ZW9-830 Clamp Screw - Overview. The 50325-ZW9-830 Clamp Screw is a specialized fastener designed for Honda marine engine systems. This clamp screw plays a critical role in securely fastening components within the marine engine rigging and accessories system, ensuring reliable operation and structural integrity. Carefully engineered to match factory specifications, this part guarantees seamless fit and compatibility with existing system components, maintaining optimal performance and durabi