A Hub Washer is an important component in the Flexible Coupling to seal the Hub which is fixed with Flange with fastener in the Hydraulic Pump. Washer circular piece of metal or plastic with a hole in the center that is used to distribute the load of a fastener, such as a bolt or screw. A Washer can also be used as a spacer to adjust the distance between two objects or surfaces.Attributes:• Protect against damage by distributing the load uniformly and reducing the tension on the fastener.• Provide high strength and wear resistance.• Manufactured to precise specifications and are built for durability and reliability.Applications:A Hub Washer is used in the Flexible Coupling in Hydraulic Pumps.