set screw

漢語翻譯

【化】 定位螺釘; 固定螺釘

英文解釋：

名詞 set screw:

1. a screw that is used to adjust the tension on a spring
   同義詞：setscrew
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
   同義詞：setscrew