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        High Quality Star Drive Flat Head Tapping Screws
        • High Quality Star Drive Flat Head Tapping ScrewsHigh Quality Star Drive Flat Head Tapping Screws
        • High Quality Star Drive Flat Head Tapping ScrewsHigh Quality Star Drive Flat Head Tapping Screws

        High Quality Star Drive Flat Head Tapping Screws

        Xiaoguo® High quality Star drive flat head tapping screws – perfect for metal roofing, HVAC, and auto work. No pre‑drilling, Torx drive won't slip, flat head sits flush. Customized sizes and coatings available – just tell us your needs.

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        Product Description

        Streamline your production line with Xiaoguo, your reliable partner for high-end industrial fasteners. We provide High quality Star drive flat head tapping screws for global wholesale and bulk purchase. Whether you need to buy direct from our factory or request customized specifications for large-scale manufacturing, Xiaoguo ensures competitive pricing, stable supply, and exceptional product performance. Contact us today to get a quote and optimize your sourcing process!

        High quality Star drive flat head tapping screws

        Introduction of applicable scenarios

        The High quality Star drive flat head tapping screws have remarkable advantages in automotive parts, household appliance casings, and sheet metal cabinets. They are particularly suitable for large-scale assembly lines and situations where a high degree of surface flatness is required.

        Automobile interior and body accessories

        Specific locations: Fixing of the door interior panel to the door inner panel, connection of the instrument panel bracket to the crossbeam, fixation of the seat slide rail to the floor, installation of the audio cover.

        Why it is applicable: The self-drilling rivets for automotive thin steel plates can be directly driven in without the need for pre-drilled holes or welding nuts, thereby reducing weight. The countersunk design ensures a flat interior surface, preventing any protrusions or scratches on the occupants. The stainless steel option can be used for exterior vehicle accessories to prevent rust.

        Household appliance casing

        Specific locations: Connection between the back panel and the side panel, fixation of the compressor cover plate, and tightening of the control panel bracket to the housing.

        Why it is applicable: The exteriors of household appliances are mostly made of thin steel plates. High quality Star drive flat head tapping screws can complete drilling and fastening at one time, thereby improving production efficiency. The countersunk heads make the surface of the exteriors flat, facilitating the application of energy efficiency labels and packaging. The6‑Lobe is less likely to jump the drill when the electric screwdriver rotates at high speed.

        High quality Star drive flat head tapping screws

        Mon ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3
        P 1.1 1.3 1.4 1.6 1.8 1.8
        a 1.1 1.3 1.4 1.6 1.8 1.8
        dk max 5.5 7.3 8.4 9.3 10.3 11.3
        dk min 5.2 6.9 8 8.9 9.9 10.9
        k max 1.7 2.35 2.6 2.8 3 3.15
        No. T10 T15 T20 T25 T25 T30
        e 2.8 3.35 3.95 4.5 4.5 5.6
        t max 0.91 1.3 1.58 1.78 2.03 2.42
        t min 0.65 1 1.14 1.39 1.65 2.02
        d max 2.9 3.53 4.22 4.8 5.46 6.25
        d min 2.76 3.35 4.04 4.62 5.28 6.03
        d1 max 2.18 2.64 3.1 3.58 4.17 4.88
        d1 min 2.08 2.51 2.95 3.43 3.99 4.7

        Advantages

        Compared to ordinary self-drilling screws, High quality Star drive flat head tapping screws save processes, time and labor.

        The installation process is highly efficient and suitable for large-scale production.

        On the assembly line, workers can complete all the tasks with a 6-lobe socket wrench. There is no need to switch drill bits or align with pre-drilled holes.

        The 6-lobe groove has excellent self-centering properties, and the drill bit insertion automatically aligns.

        The assembly speed is 30% - 50% faster than that of ordinary self-drilling screws, making it suitable for batch production industries such as automobiles, home appliances, and sheet metal processing.

        The connection is strong and reliable, and it is not likely to come loose.

        The conical recess fits tightly with the workpiece's blind hole, creating a wedge-shaped self-locking effect. It is not likely to loosen even in a vibrating environment.

        The rough thread has a large contact area with the internal thread of the steel plate, resulting in high anti-pull-out force.

        Smooth in appearance

        After being tightened, it should be flush with the workpiece and no further treatment is required.

        High quality Star drive flat head tapping screws are commonly used in situations where there are specific requirements for appearance, such as dashboard panels, electrical enclosures, and car interiors.

        The material selection is flexible, suitable for different environments.

        We offer options of carbon steel and stainless steel materials, along with various surface treatments.

        Reduce the costs of tools and auxiliary materials

        There is no need to purchase drill bits separately.

        There is no need to mark the lines in advance.

        No additional nuts or washers are required.

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