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handhold screw driver small convenient screw tightening machine manual screw locking machine
handhold automatic screw tighening machine can be used for many different products, like socket, mobile phone, laptop, calculator, navigator, camera, keyboard, led light, remote controller etc. It is equipped with quick-reacted screw driver,with high speed and stability. It can greatly improve screw locking productivity. The tool is small and conveninent, easy to operate and fit for different production line.