Stainless Steel Truss Head Screws
Products Description
The core value of our stainless steel truss head screws lies in their "adaptive anti-loosening interface." Traditional screws loosen due to stress concentration during vibration, while our products, through a large round head design and surface microstructure working in synergy, create a dynamic self-locking effect during vibration, preventing loosening. Simultaneously, the 316L stainless steel material provides excellent corrosion resistance, ensuring long-term stability in marine environments and chemical equipment. It is not merely a simple fixing component, but an intelligent safety unit that proactively adapts to the engineering environment, transforming the risk of connection point failure from a "systemic hazard" into a "manageable parameter."
Main Functions: Focusing on the core needs of engineering fastening
Structural Fastening Function
Achieves a firm connection between components through threaded engagement and head bearing pressure, with tensile strength ≥500MPa and shear strength ≥300MPa, ensuring long-term structural stability and eliminating the risk of loosening or breakage;
01
Anti-Loosening and Anti-Loss Function
Maintains fastening performance under vibration and impact environments through thread coating, embossing, or fine thread design, avoiding equipment failure or structural safety hazards caused by loose m4 stainless steel screws;
02
Environmental Protection Function
Stainless steel material combined with surface treatment resists harsh environments such as humidity, salt spray, acids, alkalis, and high temperatures, extending the service life of stainless sheet metal screws and fastened components.
03
Assembly Compatibility Function
Multi-specification and multi-groove design adapts to automated assembly tools and manual operation, and is compatible with workpieces of different thicknesses and materials, offering high installation error tolerance and improving assembly efficiency.
04
Workpiece Protection Function
The large, round head structure disperses pressure, preventing indentation or damage to soft and thin workpieces; the smooth, burr-free surface treatment prevents scratches on the workpiece surface during assembly.
05
Manufacturing Advantages
Multi-station Cold Forging
Utilizing a high-speed precision cold forging machine, the head and shank are integrally formed through metal plastic deformation at room temperature. This process not only maximizes material utilization but, more importantly, preserves the integrity of the metal flow lines, significantly enhancing the stainless steel flat head screws' mechanical strength and fatigue resistance.
Precision Thread Rolling Process
The threads are not cut but formed by pressing them onto the smooth shank using rolling rollers. This process compacts the thread fiber structure, resulting in higher surface hardness, approximately 20% higher strength than cut threads, and a superior surface finish.
Full-Process Quality Traceability
From raw material intake to finished product packaging, each batch of 316 stainless steel deck screws is uniquely identified, allowing traceability of production personnel, equipment, process parameters, and quality inspection data, ensuring 100% traceability.
Detailed Display
| Visuals | The head plate is rounded and full, with smooth edges and no burrs or sharp edges. The drive groove is precisely formed and centrally symmetrical. The thread profile is full, without broken or irregular teeth. The surface treatment is uniform and consistent, with a pure gloss. |
| Tactiles | A silky smooth feel is felt when fingertips glide along the edge of the head. When tightening with tools, the force feedback is clear and even, without slippage. |
| Performance | In salt spray testing, the 316 stainless steel trim head screw passes over 1000 hours without rust. In torque testing, there is no breakage or deformation at the junction of the head and the rod. |
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