drill tapping meaning in Chinese

钻开出铁口

Cross recessed pan head self - drilling tapping screws
十字槽盘头自钻自攻螺钉
Cross recessed countersunk head self - drilling tapping screws
十字槽沉头自钻自攻螺钉
Hexagon flange head self - drilling tapping screws
六角法兰面自钻自攻螺钉
Mechanical properties of fasteners - self - drilling tapping screws
紧固件机械性能自钻自攻螺钉
Cross recessed raised countersunk head self - drilling tapping screws
十字槽半沉头自钻自攻螺钉

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