fly-headed screw 蝶形头螺钉
fly headed screw 翼形螺钉 ; 蝶形头螺钉
mill headed screw 滚花头螺钉
flat-headed screw 平头螺钉
square headed screw 方头螺钉
button-headed screw 半圆头螺钉
round-headed screw 圆头螺钉
button headed screw [机] 半圆头螺钉
lentil-headed screw 扁头螺钉
Top view of bevel headed, hexagonal head set screw. Selection box represents thread diameter.
斜切六角螺钉的俯视图。选择框代表螺纹直径。
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。
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