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Help CenterChina Manufacturer Stainless Steel 410 Tek Screws Wafer Head EPDM Washer White Zinc No Snapping Full Sizes Available
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Welcome to Hefei SENOTECH New Materials Co., Ltd – your trusted partner in advanced fastening solutions. As a professional trading company established in 2020 and exporting over US$1 million annually to global markets including North America, South America, Europe, and Asia, we are proud to present our China Manufacturer Stainless Steel 410 Tek Screws Wafer Head EPDM Washer White Zinc No Snapping Full Sizes Available. These premium self-drilling screws combine the corrosion resistance of 410 stainless steel, the sealing reliability of EPDM washers, and a special anti-snapping design to ensure secure and long-lasting fastening in metal roofing, siding, and other demanding applications. Whether you need standard sizes or custom solutions, our full-size availability guarantees you find the perfect fit.
Product Features & Technical Specifications
- Material: High-quality Stainless Steel 410 – offers excellent hardness and corrosion resistance for durable performance in outdoor and industrial environments.
- Head Design: Wafer head with a low profile – provides a flush finish and reduces snagging, ideal for metal sheet applications.
- Integrated EPDM Washer: Pre-assembled rubber washer creates a watertight seal, preventing leaks and protecting against moisture ingress.
- Surface Finish: White zinc plated – adds an extra layer of corrosion protection and offers a clean aesthetic appearance.
- No Snapping Technology: Engineered to prevent head breakage during installation – ensures reliable fastening even in high-torque situations.
- Full Size Range: Available in a wide variety of lengths and diameters, from #8 to #14, and lengths from 1/2" to 6" (or metric equivalents). Custom sizes can be produced upon request.
- Self-Drilling Point (Tek Point): Sharp drill point eliminates the need for pre-drilling, saving time and labor costs.
- Drive Type: Phillips (cross) or hex head options available to suit different installation tools.
| Parameter | Details |
|---|---|
| Material Grade | Stainless Steel 410 (Hardness HRC 35-40) |
| Thread Type | Self-tapping / Self-drilling (Tek point #2, #3, #5) |
| Washer Hardness | EPDM, Shore A 60-70, UV & ozone resistant |
| Temperature Range | -40°C to +120°C (-40°F to +248°F) |
| Zinc Plating Thickness | 5-8 microns (white passivation) |
| Packaging | Bulk boxes, plastic bags, or custom labeling |
Key Advantages for Your Business
- Installation Efficiency: With the self-drilling point, there is no need to pre-drill holes – simply drive the screw directly into metal up to 0.125" (3mm) thick. This reduces labor time by up to 50% compared to traditional fasteners.
- Leak-Proof Sealing: The attached EPDM washer expands slightly under compression, forming a tight seal around the hole. It remains flexible even in extreme temperatures, preventing water damage in roofing and cladding systems.
- Anti-Corrosion Performance: Stainless Steel 410 combined with a white zinc coating provides dual protection against rust. Suitable for coastal, industrial, and humid environments where ordinary carbon steel screws would fail.
- Breakage Prevention: Our “No Snapping” design features a reinforced head-to-shank transition and controlled heat treatment, ensuring the screw head does not shear off under high torque. This reduces waste and rework on site.
- Versatile Compatibility: Ideal for fastening metal roof panels, steel framing, wood-to-metal connections, and even plastic composites. Available in multiple lengths to accommodate insulation thickness and material stacks.
Why Choose Hefei SENOTECH New Materials Co., Ltd?
As a dedicated trading company with an annual export value of US$1 million to US$1.5 million, we have built a strong reputation for quality and reliability across global markets. Our main markets span North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, and South Asia. This worldwide reach ensures that our products meet diverse international standards and expectations. Every batch of Stainless Steel 410 Tek Screws undergoes strict quality control checks, including dimensional verification, hardness testing, and torque testing, to guarantee consistent performance. We also offer flexible packaging and labeling options to match your retail or distribution requirements. With our full-size availability and customization capabilities, we can supply everything from small quantities for project needs to bulk orders for large-scale construction. Partner with us for a fastening solution that combines technical excellence, cost-effectiveness, and global logistics support. Contact us today for a quote or free sample to experience the difference.
Frequently Asked Questions (FAQ)
-
What does “No Snapping” mean?
Our “No Snapping” feature refers to an optimized head geometry and heat treatment that prevents the screw head from breaking off when over-torqued. This ensures a secure fastening even in tough drilling conditions. -
Can these screws be used in wood applications?
Yes, the self-drilling point can penetrate thin metal, but for wood-to-wood or wood-to-metal connections, we recommend using our standard wood screws or confirming with our team for the best product match. -
What are the available sizes?
We offer full sizes from #8 to #14 diameter and lengths from 1/2" to 6". Metric sizes (e.g., 4.2mm to 6.3mm diameter) are also available. Custom lengths and head shapes can be manufactured upon request with minimum order quantities. -
Is the EPDM washer attached permanently?
Yes, the washer is pre-assembled and seated under the head. It will remain in place during installation and provide a consistent seal. -
What is the maximum metal thickness these screws can penetrate?
Typically, our Tek point can drill through steel up to 0.125 inches (3mm). For thicker materials, we recommend using a pilot hole or consulting our technical team for alternative products. -
Are these screws suitable for outdoor use?
Absolutely. The 410 stainless steel core combined with white zinc plating and EPDM washer offers excellent weather resistance, making them ideal for roof sheeting, gutters, and exterior cladding. -
Do you provide samples before bulk order?
Yes, we offer free samples for evaluation. Please contact us with your specific size and quantity requirements, and we will arrange shipment. -
What is the minimum order quantity (MOQ)?
MOQ varies by size. For standard sizes, it is typically 1,000 pieces. Custom sizes may have higher MOQs. Get in touch for exact details.
Ready to secure your projects with high-performance fasteners? Request a quote or sample from Hefei SENOTECH New Materials Co., Ltd today – we are committed to delivering excellence one screw at a time.
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