The G L Huyett Machine Key is an undersized component measuring M3 x 3 x 80 mm, made from robust carbon steel. This key is designed for use in various mechanical applications, providing a secure connection between rotating parts. Its Form A design ensures compatibility with standard keyways, facilitating easy installation. The carbon steel material offers excellent strength and durability, making it suitable for high-stress environments. This machine key is an essential component for engineers and manufacturers looking for reliable and efficient solutions in their assemblies.