Precession Lawn Mower Mulching Blade Replace Gx20852, Gx21785, Gx21786

Precession Lawn Mower Mulching Blade Replace Gx20852, Gx21785, Gx21786. Boron Steel Durability: Made of special boron steel with lower bainite structure for high wear resistance and toughness. OEM Compatibility: Directly replaces John Deere GX21784, GX21786, GY20852 and fits multiple D140-D160/X140-X165 models. Customization Options: Supports OEM/ODM services with customization from samples, drawings, or part numbers. ISO Certified Quality: Manufactured under ISO9001:2015 system with strict adherence to OEM standards. Low-Temp Tempering: Automated low-temperature tempering process ensures enhanced durability and impact toughness.