headless setscrew无头止动螺钉;不带六角头的止动螺钉
setscrew thread定位螺钉螺纹
headle setscrew无头止动螺钉
setscrew spanner[机] 止动螺钉扳手
plastic setscrew塑料定位螺钉
Setscrew type定位螺丝固定
Sensor setscrew传感器固定螺钉
setscrew hole定位螺钉孔
setscrew wrench[机] 止动螺钉扳手
N（名词） a screw that fits into the boss or hub of a wheel, coupling, cam, etc, and prevents motion of the part relative to the shaft on which it is mounted 固定螺丝钉