06602600 – Square Key .25″ × 2.50″ × .25″ (Genuine OEM Ariens / Gravely Part) The 06602600 square key is a precision OEM replacement shaft key used to securely lock rotating components such as pulleys, gears, sheaves, sprockets, and couplings to a shaft, ensuring positive torque transfer without slippage. With dimensions of .25″ width × 2.50″ length × .25″ thickness, this square key is commonly used in drive, transmission, idler, and deck spindle systems on Ariens and Gravely mowers and power equipment. Manufactured to Ariens and Gravely factory specifications, this key delivers exact fit, correct engagement, and long service life in high-load rotating applications. Key Details Manufacturer Part Number: 06602600 Part Name: Square Key Brand: Ariens / Gravely Dimensions:• Width: .25″• Length: 2.50″• Thickness: .25″ Material: Hardened steel (factory specification) Part Type: Shaft key (square profile) Function: Positive torque transfer by locking hub components to shaft Installation: Direct OEM replacement Function & Applications The 06602600 square key provides a strong mechanical connection between a rotating shaft and its mounted component. It is typically used in: Deck Spindle Sheaves and Pulleys Transmission and Drive Sheaves Idlers and Tensioner Pulleys Accessory and Pump Drives Installed in the keyway of the shaft and matching hub, this square key ensures components rotate together with no slippage, critical for consistent cutting performance and reliable drive operation. Compatibility This Ariens / Gravely OEM square key is used across a broad range of equipment where a .25 × 2.50 × .25 key is specified, including: Zero-Turn Mowers — deck and drivetrain shafts Stand-On and Walk-Behind Machines — auxiliary drive shafts Commercial and Residential Models — wherever factory parts lists call for this key size It spans multiple serial number ranges and model families in Ariens and Gravely parts catalogs. Why Use Genuine OEM 06602600 Using the OEM Ariens / Gravely 06602600 square key ensures: Accurate fit in shaft keyways Proper torque transfer with no play or slippage Correct material hardness for durability Factory-specified dimensions for interoperability with pulleys, sheaves, and gears This square key delivers factory-correct performance and longevity, making it the right replacement for Ariens and Gravely mower drive and deck systems.
