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Hex Flange Drill Tail Screw with Rubber Washer
The hexagonal flange self-drilling screw (with rubber washer) is a precision fastener with a hexagonal flange head and a built-in transparent waterproof rubber washer, effectively improving waterproof sealing performance. Its shank features a self-tapping thread design, and the tip has a self-drilling tip structure, allowing it to drill and tap holes in the connecting material itself, achieving fast and efficient installation. Common sizes range from M4.2 to M6.3, and optional materials include low-carbon steel, medium-carbon steel, and stainless steel. Various surface treatments are available, including electro-galvanizing, hot-dip galvanizing, Dacromet coating, and nickel plating, to meet the needs of different environments. This screw is widely used in steel structure connections, corrugated steel sheet fixing, aluminum alloy profile assembly, exterior wall panel installation, and outdoor construction projects. In terms of strength grades, carbon steel is available in grades 4.8, 6.8, and 8.8; stainless steel is available in grades A2-50, A2-70, A4-70, and A4-80; and non-ferrous metals are no lower than grade 4.8. Custom orders are made according to drawings.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
We support customized production based on customer-provided drawings or industry standards.
Available grades: Carbon steel 4.8/6.8/8.8/10.9/12.9; Stainless steel A2-50, A2-70, A4-70, A4-80
High-quality low-carbon steel, medium-carbon steel, alloy steel, 304 stainless steel, 316 stainless steel, brass, aluminum alloy, etc.
Environmentally friendly blue-white zinc, colored zinc, black zinc, environmentally friendly nickel plating, zinc-nickel alloy plating, Dacromet coating, electrophoresis, PVD, stainless steel natural color, stainless steel passivation, etc.
Steel structure connection, color steel tile fixing, aluminum alloy profile assembly, exterior wall panel installation, outdoor engineering construction
other
Do you need non-standard fasteners, precision metal parts, or custom structural components for a specific application?
Yongji helps you develop and manufacture special parts and custom products based on your drawings, samples, technical requirements, and target application scenarios.
Whether you need prototype quantities, pilot production, or stable mass supply, we provide an integrated solution from engineering review to production and delivery.
From fasteners to structural parts, Yongji offers integrated development and manufacturing for a wide range of custom precision hardware products.
Whether you need a few pieces for validation, small batches for development, or large volumes for mass production, we can support your project at different stages.
With integrated manufacturing resources in China and Vietnam, Yongji helps customers achieve stable quality, scalable production, and reliable delivery.
Yongji Precision Hardware is a global manufacturer specializing in precision fasteners and metal structural components. We are China Hex Flange Drill Tail Screw with Rubber Washer Suppliers and Wholesale Hex Flange Drill Tail Screw with Rubber WasherExporter && Company. Founded in 2003, the company has over two decades of experience serving international OEM and ODM customers across multiple industries.
With integrated manufacturing capabilities including cold heading, stamping, CNC machining and sheet metal fabrication...
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