Uxcell M3x0.5x4mm 50Pack Metal Flat Round Head Screws Phillips Drive Machine Bolt

Uxcell M3x0.5x4mm 50Pack Metal Flat Round Head Screws Phillips Drive Machine Bolt Made of good hardness 304 stainless steel material durable and not easy to rust or corrosion. With pickling passivation surface treatment it has good oxidation resistance that can be used for a long time without deformation. Driven by cross grooves the force is uniform and the cross-shape can help self-center the screw to avoid it drilling at odd angles easy to lock firmly not easy to slip out and is convenient and quick to install. The machine screws have good mechanical properties with precision thread and smooth surface ensuring that the screws can be tightened to better protect your equipment and extend the service life can be used in a humid humid environment and outdoors. Widely used in furniture connection and repairs chemical machinery wind power industry home appliances office equipment industry electronic device ship assembly communications industry etc.