The Machine Key M10 x 8 x 90 Form A C45K Undersize from G L Huyett is an essential component for securing rotating machinery. Made from C45K carbon steel, this key offers excellent strength and durability. With dimensions of 10mm x 8mm x 90mm, it is designed to fit snugly into keyways, preventing slippage and ensuring efficient power transmission. This undersized key is ideal for applications where precise fitment is critical. It meets industry standards for quality and performance, making it a reliable choice for mechanical assemblies.