The Machine Key is an undersized component measuring 1" x 1" x 4.13", made from 1045 steel for enhanced strength and durability. This Form B key is designed for secure engagement in keyways, providing reliable torque transmission in various mechanical applications. Its precise dimensions ensure a snug fit, reducing the risk of slippage and wear. Ideal for use in motors, gearboxes, and other machinery, this machine key meets industry standards for quality and performance, making it a dependable choice for engineers and technicians.