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Wholesale Price Self Drilling Screw Stainless Steel 410 Flat Head With EPDM Washer for Wall Cladding No Snapping High Hardness
Product Spotlights
High-hardness 410 stainless steel self-drilling screw with flat head and EPDM washer, engineered to resist snapping during installation. Suitable for wall cladding, metal roofing, and exterior panels. Wholesale pricing with customizable sizes, drives, and packaging. Reliable sealing, reduced downtime, and global shipping from Hefei SENOTECH.
US$ 900 - 1050
MOQ: 1 Ton
Key Specifications
Get Latest Price
Material:
Other, Stainless Steel 410
Head Type:
Flat Head
Washer Material:
EPDM Rubber
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin
Delivery Detail:
30 days
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Material
Other, Stainless Steel 410
Head Type
Flat Head
Washer Material
EPDM Rubber
Hardness
High Hardness (Anti-Snapping)
Application
Wall Cladding, Metal Roofing, Exterior Panels
Surface Finish
Plain or Optional Coating
Size Range
Customizable (e.g., #8 to #14, lengths from 1 to 6 inches)
Drive Type
Phillips or Hex (optional)
Color
Silver (washers available in black/gray EPDM)
As a reliable trading partner based in Hefei, Anhui, Hefei SENOTECH New Materials Co., Ltd (established in 2020) proudly presents our Wholesale Price Self Drilling Screw Stainless Steel 410 Flat Head with EPDM Washer, engineered specifically for wall cladding applications. Our screws combine premium 410 stainless steel with a specially formulated high-hardness treatment, ensuring exceptional resistance to snapping during installation—a common pain point in cladding projects. With annual export values reaching US$1–1.5 million and a global reach spanning North America, Europe, Asia, and beyond, we deliver consistent quality at competitive wholesale pricing.
These screws are designed to offer a perfect balance of corrosion resistance, mechanical strength, and long-term sealing performance. The flat head profile sits flush with cladding panels, while the pre-attached EPDM washer provides a watertight seal against weather intrusion. Whether you're a contractor, distributor, or OEM client, our screws ensure efficient installation without the frustration of breakage or stripped threads.
Key Features & Technical Specifications
- Material Excellence: Made from grade 410 stainless steel (martensitic), offering higher hardness than conventional 304/316 grades, while maintaining good corrosion resistance for outdoor cladding.
- No-Snapping Design: Proprietary heat treatment and core hardening process ensure the screw withstands high torque without breaking, even when driving into steel studs or thick panels.
- EPDM Sealing Washer: Ethylene propylene diene monomer rubber washer provides excellent UV resistance, ozone resistance, and waterproofing—ideal for wall cladding exposed to rain and temperature changes.
- Self-Drilling Point: Sharp, needle-like drill tip eliminates the need for pre-drilling; compatible with metal up to 1.5mm thick (customizable for thicker substrates).
- Flat Head Design: Countersunk flat head sits flush with panel surface, providing a sleek appearance and reducing snagging risks.
- Wholesale Pricing: Factory-direct supply chain and efficient logistics allow us to offer competitive prices for bulk orders (MOQ: 10,000 pcs, negotiable).
| Parameter | Specification |
|---|---|
| Thread Diameter | #8, #10, #12, #14 (optional) |
| Length | 1 inch to 6 inches (custom lengths available) |
| Drive Type | Phillips (PH2) or Hex (3/8 inch) |
| Hardness (Rockwell C) | HRC 38–45 (high hardness variant) |
| Max Drilling Thickness | Up to 3mm (depending on point geometry) |
| Washer Temperature Range | -40°C to +120°C |
Benefits for Your Business:
- Reduced installation downtime – no pre-drilling needed; self-drilling tip saves labor time.
- Lower material waste – high hardness means fewer broken screws, less rework.
- Enhanced weather resistance – EPDM washer prevents leaks and corrosion around fastener holes, extending the life of cladding systems.
- Flexible customization – we can adjust head type, washer color, drive system, and packaging per your requirements.
- Reliable supply chain – located in Hefei with convenient access to Shanghai port; typical lead time 15–25 days for bulk orders.
Trust & Commitment from Hefei SENOTECH: Since 2020, we have served clients in over 10 global regions, including North America, South America, Eastern Europe, Southeast Asia, and Oceania. Our annual export value of US$1–1.5 million reflects the trust placed in our consistent quality and responsive service. All our self-drilling screws undergo rigorous hardness testing and torque testing before shipment. We welcome third-party inspections, and sample orders are available for qualification. Contact us today for a competitive quotation and let our no-snapping screws simplify your wall cladding projects.
Frequently Asked Questions (FAQ)
-
Q: Can these screws be used on steel thickness greater than 1.5mm?
A: Yes, our screws are standardly designed for steel up to 1.5mm. For thicker substrates, we can customize the drill point geometry and hardness to ensure smooth drilling without overload. -
Q: Are the EPDM washers replaceable if damaged during handling?
A: The washers are pre-assembled and highly durable. In case of damage, we recommend using a new screw because the washer is bonded to the head for optimal sealing; however, separate washers can be supplied upon request for repair work. -
Q: Do you offer different drive types besides Phillips?
A: Yes, we can provide hex head (6-lobe or 3/8) or square drive options for your preferred installation tools. Please specify when ordering. -
Q: What is the minimum order quantity (MOQ) for wholesale pricing?
A: Our standard MOQ is 10,000 pieces per size, but we can discuss smaller trial orders for new customers. For larger quantities (100,000+), volume discounts apply. -
Q: How does the “no snapping” feature work?
A: Through a combination of high-hardness 410 stainless steel and precise heat treatment, the screw core is toughened to withstand high torsion forces. This prevents the screw from twisting off during installation, especially when driving into metal at angles. -
Q: Are these screws suitable for coastal (saltwater) environments?
A: Grade 410 stainless steel offers good corrosion resistance but is not as chloride-resistant as 316. For coastal areas, we recommend applying an optional anti-corrosion coating (e.g., zinc-plating with clear passivation) or upgrading to 316 grade. Please consult our sales team for project-specific advice. -
Q: What packaging options are available?
A: Standard bulk packaging includes cartons (25kg/box) or small retail blister packs. We can also arrange for custom barcode labeling or bulk in poly bags per your request. -
Q: Do you provide free samples before order?
A: Yes, we can send a limited number of samples (e.g., 10 pcs) free of charge for your evaluation; you only cover shipping costs. Larger sample sets are available at a small cost refundable with first order.
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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