Steel key material https://mychance.com.ua/ru/stalnoj-shponochnyj-materyal-dlia-fyksatsyy-nasazhennykh-na-valy-detalej/ consists of flat or square bars used for creating keys that secure rotating components on shafts. It provides stability and prevents slippage between mechanical parts like pulleys, gears, or couplings. The steels hardness and strength ensure resistance to deformation under loads. Various dimensions are available for fitting different machinery setups. Steel key material remains a reliable solution for transmitting torque and keeping assemblies safely locked in place.