Key Washer

Key washers are a type of washer that have a key-shaped hole in the center. They are commonly used in mechanical assemblies to prevent rotation or loosening of a fastener, such as a bolt or screw. The key washer is placed between the fastener and the surface being fastened, and the key-shaped hole aligns with a corresponding key on the fastener, preventing it from rotating.

In the supply class Nuts And Washers, key washers are categorized as a type of washer. This class includes various types of nuts and washers used in hardware and abrasive applications. The supply group Hardware And Abrasives encompasses a wide range of products related to hardware and abrasive materials, including tools, fasteners, and abrasive products.

Key washers are commonly made of metal, such as steel or stainless steel, to provide strength and durability. They are available in different sizes and thicknesses to accommodate various fastener sizes and applications.