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Standard 90-degree tapered countersunk head, able to sink completely into the plate with flat surface and no protrusion after installation.
Standard Phillips classic universal recess with symmetrical and regular structure, extremely versatile and perfectly matched with ordinary Phillips screwdriver bits on the market.
The fine thread structure bears force more evenly, has high locking precision, and is not easy to damage soft plates and thin-walled materials. It is suitable for fixing easily damaged materials such as aluminum-plastic plates, thin iron sheets, and decorative panels, protecting the surface of the plates from damage.
Tapping point is standard conical pointed design with slender tapered shrinkage and smooth round sharp tip, smooth connection between thread and point, streamlined overall shape with excellent guiding and positioning performance.