This 5mm square steel keystock bar is an essential component for mechanical assemblies requiring precise shaft-to-hub connections. Measuring 305mm in length, this key stock bar provides ample material for custom cutting to your specific application needs. The square profile ensures uniform dimensions on all sides, making it ideal for creating secure keys that prevent rotational slippage between mating parts. Manufactured from quality steel with a plain finish, this keystock offers reliable strength and durability for industrial and mechanical applications. The consistent 5mm square cross-section allows for accurate fitting into standard keyways, ensuring proper torque transmission in pulleys, gears, sprockets, and couplings. Whether you're working on machinery repair, custom fabrication, or mechanical design projects, this steel key stock bar delivers the precision and reliability your application demands. The plain finish provides a clean surface ready for installation or further machining as needed.