set screw 定位螺丝 ; 紧定螺钉 ; 固定螺钉
headless set screw 无头定位螺钉 ; 无头止动螺丝
safety set screw 安全止动螺钉
Oil pump body set screw 机油泵体固定螺钉
set screw nut 固定螺母
shearable set screw 剪切定位螺钉
hex head set screw 六角头止动螺钉
square-socket set-screw 内方头紧定螺钉
proportion set screw 比例度设定螺丝
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