| 摘要 |
The present invention provides a weld stud (10) that includes a base (12), a shank (13) that has a thread (15) and that is smaller in diameter than the base, a head (20) that is on the opposite end to the base, and a neck (17) located between the shaft and the head wherein the neck has a smaller diameter than either the head or the shank. Another aspect of the present invention includes a retention angle (22) that is located between the head and the neck of the stud.
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