Cross Recessed contersunk Head Self-Drilling Tapping Screws
Self-Drilling Tip: Features a specially designed sharp drill point (commonly called a "TEK Point") at the tip. Requires no pre-drilling, allowing it to drill its own pilot hole and tap threads in various materials like thin metal sheets, wood, and plastic, significantly improving work efficiency.
Cross Recess (Phillips Drive): The screw head has a standard cross recess (Phillips) design, offering high compatibility with common Phillips screwdrivers or electric
/pneumatic screwdrivers for rapid installation.
Countersunk Head: The screw head has a standard 82° or 90° conical shape. When tightened, the head sinks completely below the material surface, creating a flat, smooth finish. This prevents protrusion, enhancing aesthetics and safety (reducing snagging hazards).
Surface Treatment: Typically features zinc plating (clear zinc, yellow zinc, blue/white zinc, etc.) or Dacromet coating, providing excellent rust and corrosion resistance, suitable for various indoor and outdoor environments.
Fluted Design: The drill section usually has flutes to help expel drilling debris during operation, reducing clogging and ensuring smoother drilling.

Parameter
Product Name: Cross Recessed Self-Drilling Screws
Material: 1022A Carbon Steel / 410
Surface Treatment: Zinc Plated, Dacromet
Screw Diameter: (e.g., ST4.2, ST4.8, ST5.5, ST6.3 - number approximates drill point diameter in
Packaging: Bags, Boxes (custom packaging available)
Advantage: Competitive pricing from our own factory.
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HANDAN BOEN FASTENERS MANUFACTURING CO.,LTD
Email:shaun@boenfasteners.com
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