hexagon socket head screw
常见例句
- Hexagon socket head cap screws with countersunk head screws like.
角 緊頂螺釘固定在底座上。 - Hexagon bolts and nuts, hexagon socket head cap screws, thread bar, carriage bolts, Nylon lock hex nut, flat washer, fish bolt set, standard fasteners etc.
六角螺母，六角螺栓，自攻釘，牙棒等。非標件生産與出口。
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