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Excellent hidden installation effect without affecting surface flatness, suitable for decorative panels, furniture side panels and ceiling keels.
Standard Phillips classic universal recess with symmetrical and regular structure, extremely versatile and perfectly matched with ordinary Phillips screwdriver bits on the market.
The high threads are responsible for rapid drilling and positioning, and the low threads are responsible for enhancing the locking force, with clear division of labor, time-saving and labor-saving during installation, and not easy to slip, suitable for mass operation with manual and electric tools.
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.
The Dacromet coating has super anti-corrosion ability with salt spray resistance exceeding 1000 hours, far superior to ordinary galvanizing process in heat, salt fog, acid and alkali resistance, suitable for outdoor steel structures, photovoltaic brackets, coastal high corrosion and heavy pollution industrial environments.