The premium Quicksilver 40140 Hex Nut helps ensure your prop stays secure and power is reliably transferred to the water.
Mercury/Mariner 5-15 HP outboards using a Brass propnut with M10x1.5 threads and nylon insert.
Made of hardened, durable brass
Tested to exceed Mercury's maximum torque requirements
Material tested for strength in marine environments
Quicksilver parts and accessories are backed by decades of experience in engineering, testing and manufacturing to provide the best fit, function and performance