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Fast Drilling Self Drilling Screws for Metal Roofing With EPDM Washer Stainless Steel 410
Product Spotlights
Fast drilling self-tapping point eliminates pre-drilling, saving installation time. Stainless steel 410 offers good hardness and moderate corrosion resistance. Pre-attached EPDM washer provides a watertight seal to prevent roof leaks. Hex washer head ensures secure driver grip and consistent torque. Multiple sizes and customizable options available to fit various metal roofing applications.
US$ 900 - 1050
MOQ: 1 Ton
Key Specifications
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Material:
Other, Stainless Steel 410
Washer Material:
EPDM (Ethylene Propylene Diene Monomer)
Head Type:
Hex Washer Head
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin
Delivery Detail:
30 days
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Material
Other, Stainless Steel 410
Washer Material
EPDM (Ethylene Propylene Diene Monomer)
Head Type
Hex Washer Head
Thread Size
Various (e.g., #12, #14, M5.5, M6.3) – customizable
Drilling Point
Self-drilling (point size tailored for metal thickness)
Length
Available in multiple lengths (e.g., 1-1/2“, 2“, 2-1/2“) – customizable
Finish
Plain natural finish (optional coatings available upon request)
Application
Metal roofing, steel framing, cladding, and light metal structures
Hefei SENOTECH New Materials Co., Ltd is a trusted sourcing partner headquartered in Hefei, Anhui, China, with an annual export value of US$1-1.5 million and an active presence in over 15 global markets including North America, South America, Europe, Southeast Asia, Africa, and Oceania. We present our Fast Drilling Self Drilling Screws for Metal Roofing with EPDM Washer – Stainless Steel 410, engineered to deliver reliable fastening performance in demanding roofing environments. Combining high-grade stainless steel with a pre-assembled EPDM sealing washer, these screws offer both structural strength and weather-tightness, making them a practical choice for professionals seeking efficiency and durability.
Key Product Features & Benefits
- Fast Drilling Self-Tapping Point – The sharp, hardened drill point eliminates the need for pre-drilling, significantly reducing installation time on metal roofing sheets up to 0.8 mm (21 gauge) without additional steps.
- Stainless Steel 410 Construction – Made from martensitic stainless steel (Grade 410), offering good hardness and moderate corrosion resistance. Suitable for indoor and outdoor roofing applications in non-coastal or mildly corrosive environments. Optional surface treatments (e.g., passivation, clear coating) are available on request for enhanced protection.
- Pre-attached EPDM Washer – The built-in EPDM rubber washer compresses during installation to form a watertight seal around the screw head, preventing moisture intrusion through fastener holes. This helps reduce the risk of roof leaks and extends the service life of the roofing system.
- Hex Washer Head Design – Features a standard hex head combined with an integrated washer for secure socket or driver grip, ensuring consistent torque and preventing over-driving or cam-out. Suitable for power tools or hand tools.
- Uniform Thread Profile – Precision-rolled threads provide reliable engagement with metal roof panels and substructures. Threads are designed to minimize material distortion and allow for clean, strong connections.
- Versatile Application Scope – Ideal for metal roof panels, steel purlins, fiberglass panels, corrugated sheets, and light commercial or residential roofing systems. Also used in metal cladding, gutter, and flashing installations.
- Multiple Sizes & Customization – Available in various lengths (1-1/2", 2", 2-1/2", 3", etc.) and thread diameters (#12, #14, M5.5, M6.3). Custom lengths, head finishes, and packaging can be supplied upon request to meet project-specific needs.
Technical Specifications (Typical Values)
| Parameter | Specification |
|---|---|
| Material Grade | Stainless Steel 410 (AISI 410) |
| Hardness (HRC) | Approx. 32-38 (after heat treatment) |
| Tensile Strength | ~ 70 ksi (483 MPa) typical |
| Washer Material | EPDM (temperature range -40°C to +120°C) |
| Drilling Capacity | Up to 0.8 mm (21 gauge) steel substructure |
| Head Type | Hex washer head (7/16" or 1/2" drive socket) |
| Thread Style | Self-tapping screw thread (fine series) |
| Corrosion Resistance | Moderate (suitable for indoor & covered outdoor; coastal areas may require coating upgrade) |
Note: Values are based on standard production runs. Final specifications may vary with custom orders. Please consult with our sales team for specific project requirements.
Why Choose Our Fast Drilling Self Drilling Screws?
- Efficiency on Site: The drill point reduces labor time and tool wear. One-person installation is possible with standard cordless screwdrivers.
- Reliable Sealing: The EPDM washer is factory-assembled and stays in place during storage and handling. It seals against light rain and dust, reducing callbacks related to leaks.
- Durable Material: Stainless steel 410 provides good mechanical strength and resistance to mild corrosion, making it a cost-effective choice for many roofing projects.
- Consistent Quality: Each batch is inspected for thread integrity, head dimensions, and drill point sharpness. Packaging is robust to prevent damage in transit.
- Flexible Order Options: We offer both standard packaging (bulk boxes of 100-500 pieces) and private labeling. Custom sizes and different washer materials (e.g., neoprene) can be arranged upon request.
- Global Logistics Support: Based in Hefei, Anhui, we have established export routes to major ports worldwide. Lead times are typically 15–25 working days after order confirmation, depending on volume.
Trusted Supply Partner for Your Roofing Fasteners
Since 2020, Hefei SENOTECH New Materials Co., Ltd has been serving buyers across North America, Europe, Southeast Asia, Africa, and more. With an annual export value of US$1-1.5 million, we have built a reputation for consistent product quality, competitive pricing, and responsive customer service. Our team understands the importance of reliable fasteners in metal roofing projects. We handle every order with careful attention to detail, from raw material sourcing to final packaging. Contact us today to discuss your quantity needs, request a sample, or ask about custom solutions. We are committed to helping you find the right self-drilling screw for your application.
Frequently Asked Questions (FAQ)
-
What thickness of metal can these screws drill through?
The self-drilling point is designed to penetrate steel substructures up to 0.8 mm (21 gauge) easily. For thicker materials, please inform us so we can recommend an appropriate point type or size. -
Are these screws suitable for coastal or high-humidity environments?
Stainless steel 410 offers moderate corrosion resistance. In coastal or highly corrosive areas, we recommend upgrading to stainless steel 304/316 screws or applying a protective coating (e.g., zinc-plated + clear coat). Please consult with our team for the best option for your region. -
Can I use these screws on wood or concrete?
No. These screws are specifically designed for metal-to-metal fastening (e.g., metal roofing panels to steel purlins). For wood or concrete substrates, different screw types (e.g., wood screws, masonry anchors) should be used. -
Do the EPDM washers come already attached?
Yes, each screw comes with a pre-assembled EPDM washer that is held securely under the hex head. The washer does not require separate installation, saving time on the job site. -
What tools are recommended for driving these screws?
A standard 7/16" hex socket (or 13 mm) for power tools is typically used. A variable-speed cordless drill or impact driver with adjustable torque setting works well to avoid overdriving. -
Can I order custom lengths or different sleeve colors?
Yes, we accept custom orders for lengths, thread sizes, and packaging (e.g., bulk, retail boxes, color-coded bins). Minimum quantity requirements may apply – please contact us with your specifications. -
How are the screws packaged for export?
Standard packaging is in strong carton boxes with inner plastic bags to prevent moisture. Larger orders may be packed in palletized cartons. We can also provide private labeling as requested. -
What is the typical lead time?
For standard sizes and quantities (e.g., 10,000–50,000 pieces), lead time is usually 15–20 working days. Customized or large-volume orders may require 20–30 days. Express delivery options are available for urgent sample requests.
Send Inquiry to This Supplier
1Yr
Business Type
Trading Company
Year Established
2020
Annual Export Value
US$1 Million - US$1.5 Million
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia
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