balance spring stud screw 游丝外栓螺钉
Screw stud 双头螺栓 ; 无头螺桩
hairspring stud screw 游丝外桩螺钉
tension screw stud 夹线螺钉
My company has a variety of devices 198 Units, mainly the production of full-thread screw, double-headed stud, round nuts, rings, pin and so on.
我公司有各种设备198台，主要生产全螺纹螺杆、双头螺柱、圆螺母、吊环、销类等。
The hand guard helps with screw stabilization, houses a stud finder and a laser guide to project plum lines and assist with leveling.
护手可以帮助稳定螺丝，内置一个寻柱设备和一个激光辅助系统。 该激光辅助系统可以在墙上投射铅垂线，辅助水平垂直定位。
Company main: rivet, screw, nut, stud, spring screws, various case fasteners.
公司主营：铆钉、螺柱、螺丝、螺母、弹簧螺丝、各种机箱紧固件等。
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