A snap ring is a common fastener used in various machines and equipment. However, it is referred to by various names in different industries. Some common synonyms for the term "snap ring" include C-clip, retaining clip, circlip, and snap circlip. These fasteners are typically made from stainless steel or carbon steel and are used for retaining a shaft within a bore or retaining a machine component in place. The particular name used for these fasteners often depends on the application or industry they are used in. Regardless of the term used, snap rings or its synonyms play a crucial role in the proper functioning of various machinery and equipment.