The Machine Key 3/16 x 3/16 x 1-1/2 is crafted from 1045 steel, ensuring strength and durability for mechanical applications. This undersized key is designed to fit securely into keyways, providing reliable torque transmission between shafts and hubs. With dimensions of 3/16 inches square and a length of 1-1/2 inches, it is suitable for various machinery and equipment. The 1045 steel construction meets industry standards, ensuring consistent performance in demanding environments. This machine key is crucial for maintaining the integrity of rotating assemblies and preventing slippage.