Description
The Trane KEY00299 Key 1/4″ X 1/4″ X 1″ is a small mechanical insert used to lock and align rotating or coupling components inside drive and blower assemblies. This key within motor and shaft connections to ensure proper torque transfer between fitted parts in HVAC systems. It fits into machined slots on shafts and hubs, preventing slippage during operation and maintaining synchronized rotation. Installed in air handling units, compressors, or fan drive sections, it supports mechanical coupling stability during assembly and service work.
