The G.L. Huyett Woodruff Machine Key is a metric key measuring M4 x 6.5 mm, crafted from high-quality carbon steel for strength and durability. This key is designed for use in keyway applications, providing a secure fit for transmitting torque between shafts and hubs. Its precise dimensions ensure compatibility with standard keyways, making it ideal for various mechanical assemblies. The carbon steel material offers excellent wear resistance, ensuring long-lasting performance in demanding environments. This key meets industry standards, making it a reliable choice for engineers and technicians.