The G L Huyett Machine Key M7 x 7 x 40 is a precision-engineered component made from durable carbon steel, designed for reliable performance in various mechanical applications. This undersized key features dimensions of 7 mm x 7 mm x 40 mm, ensuring a snug fit in keyways for optimal torque transmission. Ideal for use in machinery and equipment where secure fastening is critical, this key meets industry standards for quality and durability. Its robust construction allows it to withstand significant stress and wear, making it a dependable choice for engineers and technicians.