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304 Stainless Steel Phillips Pan Head Self-Tapping Screws from China Suppliers and Factory for Metal, Plastic & Wood

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Product Name: Phillips Pan Head Self-Tapping Screw (Sheet Metal Screw)
, Material: AISI 304 Stainless Steel (Corrosion Resistant, Rust Proof), Q235 Carbon Steel
, Standards: GB/T 845, DIN 7981, ISO 7049
, Grade: .A2-70 (304 Stainless Steel), Grade 4.8 / Grade 8.8 (Carbon Steel Optional)
, Specifications: M2-M6, 6mm-120mm (customizable)
, Surface Treatment: Natural Polishing / Passivation (No Plating, Corrosion Resistant), Electro-galvanizing (Blue-White Zinc / Color Zinc), Nickel Plating
, Design Features: Large Flat Head Design, Phillips Drive Structure, Self-tapping Thread Structure, Corrosion-Resistant Black Stainless Steel, Complete Specifications
, Application Areas: Metal assembly, furniture manufacturing, building decoration, general assembly, outdoor and marine applications
, Delivery Time: 15-30 days after receiving advance payment
, Origin: China
, Brand: JGD
, Minimum Order Quantity: 10,000 pieces, negotiable
, Samples: Available
, Packaging: Boxed/Bulk/Pallet or customized packaging
, OEM: Available
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As a leading China supplier and factory for high-quality self-tapping screws, we ensure our products meet international standards and competitive market demands. Our robust manufacturing process guarantees durable and reliable screws suitable for various applications.

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    Key Features

    Our self-tapping screws are crafted from food-grade 304 stainless steel and treated to achieve metric Grade 12.9 ultra-high strength, overcoming the traditional hardness limitations of standard stainless steel. Featuring a countersunk Phillips head design, these screws can be installed flush with the workpiece surface for a zero-profile finish, making them ideal for precision electronics and architectural decoration. We have optimized the thread geometry for different substrates (metal, wood) to ensure low-torque driving with high-torque clamping, effectively preventing stripping. As a superior alternative to standard Tek screws, these fasteners perform exceptionally well in thin sheet metal connections, providing an intelligent fastening solution that balances aesthetics with high load-bearing capacity.
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    Precision Manufacturing Process

    From wire rod to finished product, we strictly adhere to multiple international standards including ISO, DIN, ANSI, and GB. Utilizing multi-station cold forging technology, we ensure shank diameter tolerances are controlled within microns. Threads are formed through a precision thread rolling process to enhance fastening force. For non-standard requirements, we employ optical imaging sorters to reject minute defects like head cracks. In post-treatment, we offer a wide range of surface finishing options: from conventional zinc plating and nickel plating to highly corrosion-resistant Hot-Dip Galvanizing (H.D.G.), as well as decorative polishing and black anodizing. We even provide food-grade passivation treatment, ensuring every screw has a prolonged fatigue life in demanding environments.
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    Transparency & Customization

    As a source factory, we are committed to breaking down the information barriers of traditional trade. From mill certificates for raw materials to hardness grades (covering Grade 4.8 to Grade 12.9, as well as A2-70 and A4-80 marine-grade stainless steel), all test data is traceable. We support full-chain customization: dimensionally, we can adjust thread length and head thickness according to drawings; functionally, we can combine processes like sandblasting, electrophoretic coating (e-coating) , or chrome plating. Whether you need British Standard (BS) fasteners or require a special colored anodized finish, we offer small-batch sampling. This ensures that when you purchase fasteners from us, you not only receive high-quality products but also full transparency and control over the entire process, from material selection to packaging.
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    No Pre-Drilling · Rust Resistant · More Secure

    This stainless steel Phillips countersunk self-tapping screw, with its rust-resistant and corrosion-resistant material, one-step self-tapping design, and aesthetically pleasing countersunk head structure, has become the preferred solution for metal substrate fastening scenarios that is efficient, reliable, and aesthetically pleasing.
    Product Details

    Manufacturing Process
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    Manufacturing Process

    Multi Station Cold Heading Technology
    Intelligent Heat Treatment System
    Micron-Level Thread Rolling Process
    Fully Automatic Optical Sorting
    Environmentally Friendly Surface Treatment
    Metallographic & Mechanical Lab
    Quality Control
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    Quality Control System

    Raw Material Source Locking
    Batch Full Traceability
    Third Party Material Certification
    Transparent Process Parameters
    Salt Spray Test Monitoring
    International Standard Compliance
    Customization
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    Flexible Customization

    Customizable head/slot Shapes
    Special Material Applications
    Large/Long Specifications
    Integrated Assembly Components
    Custom Surface Treatment Colors
    Personalized Packaging & Labeling
    Technical Service
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    Technical Service

    On-Site Failure Analysis
    BOM Optimization & Calculation
    Installation Tool Guidance
    Inventory Management (VMI)
    Free Sample Making & Testing
    International Standard Interpretation

    Rust-proof & Corrosion-resistant Stainless Steel Material

    Made of AISI 304 stainless steel (A2-70). High chromium content forms a dense passivation film, preventing rust in humid, salt-spray, outdoor, or chemical environments. No plating needed – retains natural metallic luster. Ideal for marine equipment, outdoor furniture, and bathroom assembly. Even after long-term exposure to rain or high humidity, it stays bright, eliminating disassembly difficulties and connection failure caused by corrosion.

    Rust-proof Stainless Steel

    Metal Material for Tightening & Anti-Loosening

    304 stainless steel offers tensile strength ≥700MPa. The self-tapping sharp thread bites tightly into sheet metal, plastic, or wood, creating an internal thread locking effect. The large pan head increases bearing area, preventing thin material deformation or indentation. Metal material never ages or becomes brittle, maintaining stable clamping force under vibration or temperature changes – ensuring lasting, reliable connections without extra lock washers.

    Tightening & Anti-Loosening

    Long Service Life with High Wear Resistance

    Stainless steel substrate with passivation offers high hardness and no plating peeling risk. The Phillips drive and large pan head reduce tool slippage; the self-tapping thread resists wear during repeated assembly/disassembly. Proven in durability tests, this product performs long-term in high-vibration or frequent-maintenance applications (e.g., appliance housings, vehicle interiors) – resisting thread stripping or wear, greatly reducing replacement frequency and maintenance costs.

    Wear Resistance

    Application Scenarios

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    High-Quality Phillips Pan Head Self-Tapping Screw Display

    Frequently Asked Questions

    What specific grade of stainless steel is used for these screws?
    Our screws are manufactured from high-quality AISI 304 stainless steel (also known as A2-70), ensuring superior corrosion resistance and durability.
    Are these screws suitable for marine or coastal environments?
    Yes, the 304 stainless steel material forms a natural passivation film that protects against salt spray and high humidity, making them ideal for marine and outdoor applications.
    Do I need to pre-drill holes for these self-tapping screws?
    In most metal and hard plastic applications, a pilot hole is recommended to ensure the sharp threads can bite effectively and create a secure internal locking thread.
    Can these screws be customized in terms of head shape or size?
    Absolutely. We offer flexible customization for head shapes, slot types, and extra-long or large specifications to meet your specific engineering requirements.
    What is the advantage of the large pan head design?
    The large pan head increases the bearing surface area, which helps distribute the clamping force and prevents the deformation of thin materials.
    Do you provide samples for testing before bulk orders?
    Yes, we provide free sample making and testing services to ensure our fasteners meet your application's mechanical and quality standards.