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Wuxi Sharp Metal Products Co., Ltd.

Wholesale Anti-corrosion and waterproof fixing screws Manufacturers

Home / Products / Carbon Steel Screw / Anti-corrosion and waterproof fixing screws
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  • Anti-corrosion and waterproof fixing screws
  • Anti-corrosion and waterproof fixing screws
  • Anti-corrosion and waterproof fixing screws
  • Anti-corrosion and waterproof fixing screws
  • Anti-corrosion and waterproof fixing screws
Anti-corrosion and waterproof fixing screws

Anti-corrosion and waterproof fixing screws

SCREWS AND PLATES are hardened carbon steel torx/cross head fasteners with anti-corrosion coating. They are designed 
for heavy-duty attachment membranes and composite panels.

Anti-corrosion and waterproof fixing screws are engineered fasteners designed for long-term performance in demanding environments. These screws are typically manufactured from substrates such as stainless steel 304 or 316, which provide inherent resistance to oxidation and chemical degradation. A critical feature is the application of specialized surface treatments, which may include hot-dip galvanizing or geometric sealing coatings, to create an effective barrier against moisture and corrosive agents.

The waterproof capability is achieved through integrated sealing components, such as bonded EPDM or silicone washers. These washers compress upon installation, forming a tight seal that prevents water ingress at the fastener point. This combination of corrosion-resistant materials and passive sealing makes these screws suitable for applications in construction, marine hardware, and outdoor infrastructure, where exposure to moisture, salt, or temperature variations is a constant factor.

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SCREWS
Material Carbon steel , anti-corrosion coating
Surface treatment Anti-corrosion coating
Thread diameter 6.1 -6.3mm(#14)
Shank diameter 4.6 -5.0mm
Head diameter 11.5 mm 
Point type Drill point
Length 50-300mm（2"-12")
Galvalume
WASHERS
Material Galvalume
Plate diameter 50 - 60mm
Hole diameter 6.5 mm

Anti-corrosion and Waterproof Fixing Screws - Reliable Fastening Solutions for Demanding Environments

Product Features

  • Corrosion resistance: Manufactured with advanced anti-rust coating to withstand prolonged exposure to moisture, salt, and chemicals.
  • Waterproof sealing: Designed with integrated sealing capability to prevent water penetration in outdoor and industrial installations.
  • Structural stability: Engineered with uniform threading and high tensile strength to ensure secure and consistent fastening.

Product Description

These screws are produced under standardized manufacturing processes and comply with international fastening standards. Each screw undergoes surface treatment for enhanced durability and protection against oxidation. The product is developed for long-term usage in challenging environments, meeting requirements for industrial construction, outdoor equipment installation, and marine applications.

Application Fields

This product is applicable in the following areas:

  • Outdoor construction and roofing systems
  • Marine equipment assembly and maintenance
  • Industrial machinery and pipeline installations
  • Electrical and solar panel mounting

FAQ

1. Can these anti-corrosion and waterproof fixing screws be used in marine environments?

Yes. Due to the specialized anti-rust coatings and sealing properties, these screws are suitable for marine applications where exposure to saltwater and humidity is common. Proper installation and maintenance will extend their service life.

2. How do these screws perform compared to standard fixing screws in outdoor construction?

Unlike standard screws, these screws are engineered with corrosion-resistant coatings and waterproof sealing. They provide longer service life and reduce the risk of rust-related structural failures, especially in outdoor roofing and facade installations.

3. Are these screws compatible with different types of sealing washers or gaskets?

Yes. The screws are compatible with commonly used sealing washers and gaskets, enabling enhanced waterproofing in applications such as roofing, pipeline joints, and electrical enclosures.

Company
Wuxi Sharp Metal Products Co., Ltd.
Wuxi Sharp Metal Products Co., Ltd.
Wuxi Sharp Metal Products Co., Ltd. is China Wholesale Anti-corrosion and waterproof fixing screws Suppliers and Anti-corrosion and waterproof fixing screws Factory, a professional enterprise that produces and sells screws. As Anti-corrosion and waterproof fixing screws Manufacturers, our main products include carbon steel screws, stainless steel self tapping screws, wood screws, drywall screws, fiber screws, cement screws, etc. We also engage in the trade of door and window accessories. We were officially registered and established in 1993 and are located in Yanqiao Industrial Park, Huishan District, Wuxi City, Jiangsu Province.
Our company has a factory of 6000 square meters, with more than 100 machines and inventory of over 800 tons. The annual output is about 2000 tons. Since 2000, we have been supplying plastic steel door and window accessories, which are now widely used in the assembly and installation of aluminum alloy engineering doors and windows, home decoration door and window systems, as well as import and export. we offer Anti-corrosion and waterproof fixing screws for sale.
Our company has large-scale production and warehousing capabilities. Improving product quality, enhancing employee competence, implementing a strict quality assurance system and a comprehensive management system, and providing high-quality after-sales service for our products are our foundation. Our company adheres to the principle of "quality first, reputation first" and provides customers with a variety of products with guaranteed quality and quantity. In the fierce market competition, keep up with the times, maintain innovation, and ensure product leadership! Relying on technology, continuously improving the technological content of the products sold, and creating higher market value for society, customers, and companies. Our company has always been founded with integrity and operates the market with integrity, winning a good reputation and the respect of domestic and foreign peers.
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