| 摘要 |
A ball stud is disclosed that includes a shank, a head, a hollow center, a first cluster of radial holes, and a second cluster of radial holes. The head is formed integrally with the shank or as a single-piece construction with the shank. The hollow center extends at least partially through the shank and at least partially into the head. The first cluster of radial holes is formed into the head. The second cluster of radial holes is formed into the shank. |
