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Help CenterSelf Drilling Screw for Industrial Construction Dacromet Coated Hex Head Stainless Steel 410 Full Sizes Available Free Samples
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Welcome to Hefei SENOTECH New Materials Co., Ltd, your reliable partner in high-performance fasteners. Our Self Drilling Screw for Industrial Construction, Dacromet Coated Hex Head Stainless Steel 410, is engineered to deliver exceptional durability and ease of installation in demanding environments. Since our establishment in 2020, we have focused on providing top-tier fastening solutions to global markets, with an annual export value of US$1–1.5 million. This screw combines the corrosion resistance of Dacromet coating with the strength of stainless steel 410, ensuring long-term performance in industrial construction applications. We offer full size availability and free samples to help you evaluate the quality firsthand.
Key Features & Technical Specifications
- Material: Manufactured from premium Stainless Steel 410, offering excellent strength and moderate corrosion resistance.
- Coating: Dacromet coating provides superior anti-corrosion protection, even in harsh outdoor or industrial environments.
- Head Type: Hex head design allows for high torque application using standard wrenches or sockets, reducing slippage.
- Self-Drilling Capability: Integrated drill point eliminates the need for pre-drilling, speeding up installation and reducing labor costs.
- Size Range: Full sizes available—from small diameters to larger lengths—to fit various construction requirements.
- Application: Ideal for steel-to-steel connections, metal roofing, cladding, and general industrial construction.
| Parameter | Details |
|---|---|
| Material Grade | Stainless Steel 410 (AISI 410) |
| Coating Type | Dacromet (Zinc-Aluminum Flake) |
| Head Type | Hexagon (Hex Head) |
| Drill Point | Self-drilling tip (standard #2 or #3 point) |
| Available Sizes | Diameter: #6 to 5/16 inch; Length: 0.5 to 6 inches (metric equivalents available) |
| Packing | Customizable: bulk boxes, poly bags, or shrink-wrapped bundles |
Advantages for Your Projects
- Time Savings: Self-drilling design cuts through metal up to 10mm thick without pilot holes, reducing installation time by up to 50%.
- Long-Term Durability: Dacromet coating withstands up to 1000 hours of neutral salt spray testing (NSS) per ASTM B117, outperforming standard zinc plating.
- Reliable Holding Power: 410 stainless steel provides high tensile strength (approx. 125 ksi) suitable for structural connections.
- Versatility: Works with both steel and wood substrates, making it a go-to fastener for multi-material industrial construction.
- Cost Efficiency: Eliminates separate drilling step and reduces fastener consumption due to optimized thread design.
Why Choose Hefei SENOTECH?
With export experience spanning North America, South America, Europe, Asia, Africa, and Oceania, we understand the quality standards required in diverse construction markets. Since 2020, our company has grown steadily, reaching an annual export value of US$1–1.5 million by delivering consistent quality and competitive pricing. We offer free samples for your testing and evaluation, and we support custom sizes and packaging upon request. Our team in Hefei, Anhui ensures rigorous quality control on every batch, from raw material inspection to final packaging. Recommended by clients in sectors like metal building, infrastructure, and prefabricated structures, this self drilling screw has proven its performance in real-world projects. Contact us today to request a sample or place a bulk order—your satisfaction is our priority.
Frequently Asked Questions
-
Q: Can this screw be used on stainless steel panels without pre-drilling?
A: Yes, the self-drilling tip is designed to penetrate stainless steel up to 3mm thick. For thicker materials, we recommend checking the technical data sheet for specific limits. -
Q: What is the temperature resistance of the Dacromet coating?
A: Dacromet coating can typically withstand continuous temperatures up to 300°C (572°F) without significant degradation. Please consult our team for high-heat applications. -
Q: Are the screws magnetic?
A: Stainless steel 410 is martensitic and therefore magnetic, suitable for applications where magnetic properties are acceptable. -
Q: Do you offer different head colors or special coatings?
A: While standard Dacromet has a silver-gray appearance, we can provide custom coatings (e.g., zinc-nickel, Geomet) upon request. Please contact us for feasibility. -
Q: How reliable is the free sample service?
A: We offer free samples of standard sizes for freight collect (or prepaid for certain regions). The turnaround time is usually 3–5 business days after request confirmation. -
Q: Can I get the screws with a hex washer head instead?
A: This product is specifically hex head. Hex washer head versions are available in our other product lines; please inquire for details. -
Q: What is the minimum order quantity (MOQ) for bulk orders?
A: MOQ depends on size and coating. Typically, it is 5,000 pieces per size. For larger sizes or special requirements, MOQ may be lower. -
Q: Do you have certificates like CE or ISO?
A: We follow strict internal quality control procedures. Specific certifications are available upon request—please contact our sales team to discuss your requirements.
Experience the difference of a premium self drilling screw engineered for industrial construction. Contact Hefei SENOTECH New Materials Co., Ltd today to order your free samples and discover why clients from over 15 regions trust our fastening solutions.
Send Inquiry to This Supplier
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