304 Stainless Steel Cross Recessed Countersunk Head Self-Tapping Screws, Class 12.9 High Strength Tek Screws Available in M4.2, M5.5, M6.3


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
• 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
• 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
• 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 And Interpretation
01
Efficient Operation, Prevents Slippage
We use a standard Phillips recess design with precisely controlled depth and angle, compatible with mainstream power tools to enhance installation efficiency. The recess is smooth and burr-free, ensuring tight engagement with the driver bit, effectively preventing slipping or stripping. Whether for manual or automated assembly, it enables quick fastening, improves work smoothness and safety, and is especially suitable for high-frequency usage scenarios.
01
Precise Structure, More Reliable Fastening
The screw threads are fully formed with clear profiles and smooth surfaces, ensuring uniform engagement depth with nuts or base materials. The thread run-out is naturally finished to avoid jamming or seizing, improving installation smoothness. The optimized thread structure enhances tensile and torsional strength, maintaining stable fastening effect during long-term use and reducing the risk of loosening.
01
All-in-One, Stronger Connections
The self-drilling tip features a sharp point design, allowing direct drilling, tapping, and fastening on materials such as metal or wood without pre-drilling, significantly improving construction efficiency. The drilling process is stable with smooth chip removal, minimizing material damage. After fastening, it offers excellent pull-out resistance and vibration resistance, ensuring connections are not easily loosened, ideal for vibration environments or high-strength applications.
Factory Environment
Industrial Capabilities
• Factory Area: 8,000 square meters
• Certifications: ISO, IATF, CE, RoHS, JIS, ASTM
• Manufacturing : 70+ internationally advanced production lines
• Testing: 30+ sets of precision quality testing equipment
• Annual Output: Up to 50,000,000 tons


From Raw Material to Finished Product
Our factory features fully automatic production lines for cold heading, precision thread rolling, controlled-atmosphere heat treatment, and eco-friendly surface finishing, enabling closed-loop manufacturing from raw material to finished product. With inline optical sorting and a digital MES, every fastener meets stringent standards in strength, precision, and surface quality. Efficient, stable, and green—your guarantee of premium fasteners.
Innovation Lab:
Expertise and collaboration drive us forward, constantly pursuing innovative solutions. Have a project? Let's get started.
Full-Process Collaborative R&D: From "Pain Point Diagnosis" to "Customized Implementation"
We go beyond simply selling standard parts. Our multidisciplinary engineering team deeply intervenes in the front end of your project. By accurately diagnosing the application scenario, we customize solutions directly in the lab, seamlessly bridging technology and application to ensure innovative concepts are quickly transformed into practical solutions that reduce total lifecycle costs.


Integrated Verification System: Guaranteeing Innovation with "Test Data"
Innovation goes beyond the drawing board. Relying on our in-house technical center, we provide one-stop verification from prototype development to corrosion testing. Through rigorous simulated working condition tests, we use empirical data to ensure the performance stability of customized solutions. This not only significantly reduces project risks but also achieves truly reliable cost reduction and efficiency improvement.

























