Stainless Steel Self-Drilling Screws
Product Overview
This screw is a high-performance self-drilling fastener specifically engineered for outdoor use and high-corrosion environments.
It integrates drilling, tapping, and fastening into a single operation, eliminating the need for pre-drilling. It can penetrate metal sheets or timber directly to complete the fastening process. Furthermore, the countersunk head design allows the screw to sit flush with the substrate surface after installation, balancing practical functionality with a clean aesthetic. It is widely used in marine engineering, outdoor construction, and landscape infrastructure.
Product Applications
Marine & Outdoor Infrastructure: Coastal railings, pier walkways, boat decks, pool equipment, and seaside architectural landscapes, engineered to withstand salt spray and seawater corrosion.
Outdoor Timber Structures: WPC (Wood-Plastic Composite) decking, pressure-treated timber boardwalks, courtyard landscaping, and log cabin components, providing both high corrosion resistance and structural integrity.
Construction & Fenestration: Aluminum alloy doors and windows, curtain wall steel structures, outdoor cladding, and awning brackets, enabling rapid, pre-drill-free installation.
Industrial & Specialized Environments: Chemical equipment frames, wastewater treatment facilities, and steel structures in humid environments, meeting long-term durability requirements for highly corrosive conditions.
Product Features
Superior Corrosion Resistance: Crafted from SS316 stainless steel, it withstands corrosion from seawater, salt spray, and high-humidity environments, making it ideal for coastal and outdoor applications.
High Efficiency: The self-drilling tip design eliminates the need for pre-drilling, enabling drilling, tapping, and fastening in one single pass.
Secure Fastening: The square drive (Robertson) recess ensures high torque transmission without cam-out, while the precision-engineered threads provide a tight, vibration-resistant grip.
Aesthetic Finish: The countersunk head design ensures a flush, seamless finish upon installation, leaving the surface smooth and unobtrusive.
| Material | 316 Stainless Steel |
| Surface Finish | Passivated / Bright Finish |
| Head Type | Flat Head |
| Drive Type | Square Drive |
| Thread Type | Two-Stage Thread |
| Diameter | Approx. 5.0mm |
| Length | Optional (50mm - 65mm) |
| Screw Type | Self-drilling Screw |
| Corrosion Resistance | High (Suitable for outdoor anti-corrosion wood, seaside boardwalks, and high-humidity environments) |
| Recommended Tools | Brushless Impact Driver / Adjustable Speed Electric Drill |

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malingfei@linghongscrew.com

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