.Great for projects such as engines and locking mechanisms. They fit into grooves in the side of the shaft for a snug fit. X1 E-Clip / Circlip / E-ring - Side-Mount External Retaining Rings are fasteners that fit into the radial grooves of shafts - holes and are spring-loaded to ensure that they stay securely in place.
X1 Cotter Pins feature a hardened steel construction and rust-resistant zinc-plated finish.. They are used as a locking device to hold pins or castle nuts in place. These low-cost and highly versatile fasteners are used virtually everywhere.