ST4.2X22 self-tapping screws

ST4.2X22
Material: 304
A common self-locking screw, 304 self-tapping screws have strong corrosion resistance and wear resistance, and have a self-locking function. During the screwing process, the thread and the material form friction, which can prevent the self-tapping screw from loosening or falling off, ensuring the firmness and stability of the connection.

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