setscrew

漢語翻譯

n. 定位螺釘
【機】 固定螺釘, 止動螺釘

英文解釋：

名詞 setscrew:

1. a screw that is used to adjust the tension on a spring
2. a screw (often without a head) that fits into the boss or hub of a wheel or cam etc. and prevents motion of the part relative to the shaft on which it is mounted