018345 – GRAVELY® Square Key (.248″ × 1.25″ × .248″) (Genuine OEM Part) The GRAVELY® 018345 is a genuine OEM square key, precision-machined to provide a secure mechanical connection between shafts and rotating components in GRAVELY lawn mowers and outdoor power equipment. This square key ensures positive torque transfer and accurate alignment, preventing slippage during operation. Manufactured to GRAVELY’s strict OEM tolerances, this key is designed for durability and consistent performance in high-load drivetrain and power transmission applications. Proper fitment of the square key is essential for maintaining reliable operation and protecting mating components from premature wear. Key Details: Manufacturer Part Number: 018345 Brand: GRAVELY Part Type: Square Key Dimensions: .248″ Width × 1.25″ Length × .248″ Height Design: Square profile for positive shaft engagement Material: Hardened steel OEM Status: Genuine GRAVELY replacement part Installation: Direct-fit OEM replacement This square key is used in various GRAVELY mower assemblies where precise shaft-to-component locking is required. Always confirm correct fitment using the equipment’s illustrated parts diagram and model/serial number range before installation.