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Black 410 Stainless Steel Phillips Pan Head Self-Drilling Tek Screws from China Factory - Reliable Suppliers

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Name: Black 410 SS Phillips Pan Head Self-Drilling Tek Screw
Material: 410 Stainless Steel / Medium Carbon Steel
Standard: DIN 7504-P / ISO 15480 / GB/T 15856.1
Grade: 410 (High Hardness HV 400-500), 8.8-10.9 Grade Carbon Steel
Specifications: M4.2 (#8), M4.8 (#10), M5.5 (#12), M6.3 (#14), Length 13mm - 150mm
Surface Treatment: Environmentally Friendly Black Zinc / Black Anodized Coating
Design Features: Hardened self-drilling tip, cross-groove pan head design, multi-purpose high-strength 410 stainless steel, anti-slip high-engagement self-tapping threads, matte black high-end concealed appearance
Applications: Ideal for light steel keel frame and ceiling assembly, electrical enclosures, black sheet metal equipment, automotive aftermarket parts, interior trim panels, metal and wood/plastic bonding, and modern minimalist furniture and lighting assembly.
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
As a leading factory and suppliers in China, we ensure high-quality products that meet international standards.

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    304 Stainless Steel Cross Recessed Countersunk Head Self-Tapping Screws01
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    304 Stainless Steel Cross Recessed Countersunk Head Self-Tapping Screws01

    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.
    304 Stainless Steel Cross Recessed Countersunk Head Self-Tapping Screws01
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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

    Manufacturing Process

    • Multi Station Cold Heading Technology
    • Intelligent Heat Treatment System
    • Micron-Level Thread Rolling Process
    • Fully Automatic Optical Sorting
    • Environmentally Friendly Surface Treatment Line
    • Metallographic And Mechanical Joint Laboratory
    Quality Control System

    Quality Control System

    • Raw Material Source Locking
    • Furnace Number Batch Full Traceability
    • Third Party Material Certification
    • Process Parameters Open And Transparent
    • Salt Spray Test Real Time Monitoring
    • International Standard Compliance Declaration
    Flexible Customization Capability

    Flexible Customization

    • Customizable head/slot Shapes
    • Extreme Application Of Special Materials
    • Breakthroughs In Extra Large/Long Specifications
    • Integrated Assembly Of Components
    • Customizable Surface Treatment Colors
    • Personalized Packaging And Labeling
    Technical Service

    Technical Service

    • On-Site Failure Analysis
    • Selection Calculation And BOM Optimization
    • Installation Tool Selection Guidance
    • Inventory Management (VMI) Trusteeship
    • Free Sample Making And Testing
    • International Standard Translation
    Dual-Material Options

    Dual-Material Options – 410 SS or Carbon Steel

    Available in 410 stainless steel (HV 400-500, high torque for heavy metal penetration, wear-resistant tip) or medium carbon steel (Grade 8.8-10.9, reliable strength with cost optimization). 410 grade penetrates light-gauge steel and sheet metal without tip breakage; carbon steel with black oxide coating offers durability and economy. Dual materials cover various project budgets and conditions – one screw for both premium and general assembly.
    Black Zinc Coating

    Black Zinc/Black Oxide Coating – Stealth Aesthetics

    Finished with eco-friendly black zinc or black oxide, delivering a uniform matte black finish that effectively resists moisture, salt spray, and industrial corrosion. Strong adhesion with no chipping or peeling – color stays stable and rust-free outdoors. The dark appearance seamlessly blends with black sheet metal enclosures, modern minimalist furniture, and automotive interiors.
    Phillips Pan Head

    Phillips Pan Head + Self-Drilling Tip

    The Phillips pan head fits standard tools, delivering high torque without cam-out; the smooth pan head underside prevents surface damage. The hardened self-drilling tip completes drilling, tapping, and fastening in one step – no pre-drilling needed. Anti-slip high-bite threads securely grip metal, wood, and plastic – resisting vibration and loosening.

    Factory Environment

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    Stainless Steel Self-Tapping Screw Display

    Frequently Asked Questions

    What materials are available for these self-tapping screws?
    We provide two primary options: 410 Stainless Steel for superior hardness and penetration in heavy metals, and Medium Carbon Steel (Grade 8.8-10.9) for high strength with cost efficiency.
    Do these screws require pre-drilling?
    No, our screws feature a hardened self-drilling tip designed to drill, tap, and fasten in a single step, significantly improving installation efficiency.
    How is the corrosion resistance of the black coating?
    The eco-friendly black zinc or black oxide coating provides a uniform matte finish that effectively resists moisture and salt spray, ensuring long-term durability in outdoor or industrial environments.
    Can I request customized head shapes or packaging?
    Yes, we offer flexible customization capabilities including personalized head/slot shapes, special materials, extra-long specifications, and custom labeling or packaging.
    How do you ensure the quality of each batch?
    Our quality control system includes raw material source locking, full furnace number batch traceability, and real-time monitoring of processes like salt spray testing and optical sorting.
    What technical support do you offer?
    We provide comprehensive services including on-site failure analysis, selection calculation, BOM optimization, installation guidance, and free sample making for testing.