These specialized fasteners secure wheels to vehicle hubs, employing a unique splined interface rather than the more common hexagonal or star-shaped sockets. This design requires a matching socket tool for installation and removal. A typical application is found in automotive wheels where enhanced security or specialized tooling is desired.
The principal advantage of this fastening method lies in its resistance to tampering and stripping. The splined interface provides a more secure grip, reducing the likelihood of the tool slipping during tightening or loosening. This is particularly beneficial in high-torque applications or situations where wheel theft is a concern. Historically, certain manufacturers adopted this technology to deter unauthorized wheel removal and differentiate their products. This design often necessitates specialized tools, contributing to enhanced security.
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