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Self drilling screws
The characteristic of drill tail screws is that the tail is in a drill tail or pointed tail shape, without the need for auxiliary processing. They can be directly drilled, tapped, and locked on the material, greatly saving construction time
Jun 29th,2023
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The characteristic of drill tail screws is that the tail is in a drill tail or pointed tail shape, without the need for auxiliary processing. They can be directly drilled, tapped, and locked on the material, greatly saving construction time
