Wherein the screw comprises a screw head, a lug boss and a screw rod.
该螺丝包括一螺头、一凸台及一螺杆。
Using magnetic torque type screw head cover, to achieve grasping cap, screw cap function.
采用磁力扭矩式拧盖头,实现抓盖、拧盖功能。
Expose surface and screw head should be wiped antirust oil in the distend cover after finishing.
完成后在胀套外露表面及螺钉头部涂上防锈油脂。
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