11mm Flat Washer Caterpillar 6210566

The Bolt Washer provides load distribution and fastening stability for the bolts used to attach the clean emission module cover. When compressed during tightening, the washer helps maintain even clamping force across the mounting surface, reducing the chance of bolt loosening caused by vibration, heat cycles, or repeated operation. It helps keep the cover correctly seated and aligned, preventing unwanted movement or shifting at the mounting points.Attributes:• Helps maintain bolt tension for the emission module cover.• Supports even load distribution at the mounting surface.• Helps prevent bolt loosening under vibration or thermal cycling.• Hardness range in this condition is hardness Rockwell C 38–45.Applications: The Bolt Washer is installed under the bolt head used to secure the clean emission module cover. It helps maintain proper bolt tension, prevent loosening, and ensure stable cover retention under vibration, temperature changes, and continuous operation.