Truss Head Self-Drilling Screws: China's Galvanized Innovation

Truss head self-drilling screws are widely used in construction and manufacturing. They are characterized by their extra-wide and slightly rounded heads, which sit just above the surface of the fastened material. China is a significant manufacturer and supplier of these screws, with companies based in Handan City, Hebei Province, offering customized truss head self-drilling screws made from carbon steel with zinc plating. These screws are used in various applications, including roofing, woodworking, and fastening metal sheets, providing a secure hold and distributing pressure evenly.

Truss head self-drilling screws are corrosion-resistant

The corrosion resistance of truss head self-drilling screws is enhanced by their zinc plating or galvanised finish. This protective coating helps prevent oxidation and rust, ensuring the screws remain durable and long-lasting even in harsh environments. The screws are available in various grades and finishes, including hot-dip galvanised and zinc-plated options, to meet specific project requirements.

Truss head self-drilling screws are manufactured from materials such as carbon steel, stainless steel, and alloy steel, further contributing to their corrosion resistance. Stainless steel, in particular, offers superior corrosion resistance, making it suitable for marine, coastal, and industrial applications. The use of these materials ensures the screws can withstand the elements and maintain their structural integrity over time.

The screws' self-drilling capability eliminates the need for a pilot hole, streamlining the fastening process. They can be used for metal-to-metal fastening and are suitable for roofing, siding, and other metal sheet applications. Truss head self-drilling screws are available in various lengths to accommodate different sheet thicknesses, ensuring a precise fit for any project.

In summary, truss head self-drilling screws are corrosion-resistant fasteners that offer both functionality and aesthetics. With their wide heads and corrosion-resistant materials, they provide a secure and durable solution for a range of applications, especially those involving metal sheets. The screws' self-drilling feature simplifies the fastening process, making them a convenient and efficient choice for construction and renovation projects.

They are suitable for metal-to-metal fastening

China galvanized truss head self-drilling screws are suitable for metal-to-metal fastening. They can be drilled, tapped, and fastened in one swift motion, saving time and effort. These screws are available in different materials, including stainless steel, carbon steel, and alloy steel, to meet specific requirements and provide enhanced corrosion resistance.

When using China galvanized truss head self-drilling screws for metal-to-metal fastening, it is recommended to accompany them with a washer to ensure the fastener remains secure and does not move due to constant usage. This combination reduces the impact of surface-to-surface fastening on both connected surfaces.

While truss head screws are generally considered weaker than other types of screws, they are still suitable for metal-to-metal applications. They are particularly useful when low clearance above the head is required. Additionally, they can be modified to further reduce the clearance and increase the bearing surface.

China galvanized truss head self-drilling screws are available in various sizes and can be customized to meet specific requirements. They are commonly used in industries such as manufacturing, telecommunication, electrical, and automotive lighting. The screws' corrosion resistance and precision make them a reliable choice for fastening metal-to-metal connections.

They can be used for roofing

China galvanized truss head self-drilling screws are ideal for roofing projects. They have a wide bearing surface and strong holding power, making them perfect for securing roofing materials without compromising aesthetics or functionality. Their low-profile head also ensures a neat and professional finish.

The self-drilling feature of these screws eliminates the need for a pilot hole, saving time and effort during installation. They are available in various materials, including stainless steel, carbon steel, and alloy steel, which offer corrosion resistance and the ability to withstand wear and tear.

When used for roofing, it is recommended to accompany these screws with a washer to prevent movement and reduce the impact of surface-to-surface fastening. This is especially important in roofing applications, where constant exposure to weather conditions can cause expansion and contraction of materials.

China galvanized truss head self-drilling screws are also available in different grades of stainless steel, such as Grade 316 and 18-8, to suit specific requirements. Grade 316 stainless steel offers superior corrosion resistance, making it ideal for marine, coastal, or industrial environments. On the other hand, 18-8 stainless steel provides good all-around corrosion resistance and is suitable for most outdoor and indoor applications at a more cost-effective price point.

These screws are widely used in the roofing industry due to their ease of use, durability, and ability to securely fasten roofing materials. They are designed to distribute pressure evenly across the surface, ensuring a strong and long-lasting hold.

They are available in various grades, sizes and finishes

Truss head self-drilling screws are available in a variety of grades, sizes, and finishes to meet specific project requirements.

In terms of grades, these screws can be made from different materials such as stainless steel, carbon steel, or alloy steel. Stainless steel offers corrosion resistance, making it suitable for outdoor applications, while carbon steel and alloy steel provide varying levels of strength and corrosion resistance.

Regarding sizes, truss head self-drilling screws come in multiple dimensions to accommodate different applications. The size selection depends on the thickness of the materials being fastened. For example, the #8, #10, 1/4", 5/16", and 3/8" diameters are commonly used, with lengths ranging from 1/2" to several inches to suit the specific application.

When it comes to finishes, truss head self-drilling screws can have different coatings or treatments. For instance, zinc plating, galvanization, or chrome finishes can be applied to enhance corrosion resistance. Galvanized truss head self-drilling screws are commonly available, providing protection against rust and increasing durability.

Additionally, some truss head self-drilling screws may feature a washer or a rubber washer to prevent the fastener from moving and reduce the impact on the fastened surfaces. The finish and coating options contribute to the overall functionality and longevity of the screws in various environments.

The versatility in grades, sizes, and finishes ensures that truss head self-drilling screws can be tailored to meet the specific demands of diverse projects, making them a convenient and adaptable fastening solution.

They are manufactured in China

Truss head self-drilling screws are manufactured in China by companies such as Sinsun, a wholesale manufacturer and supplier, and SENHONG, a company with 30 years of experience in producing standard and non-standard fasteners.

Sinsun provides high-quality products, competitive prices, and first-class service to customers around the world, including in Europe, America, Australia, and South America. The company offers a range of truss head self-drilling screws, including the carbon steel truss head self-drilling sheet metal screw and the modified truss head phosphated black self-tapping screw.

SENHONG, located in Handan City, China, specializes in customized truss head self-drilling screws with carbon steel material and zinc plating finish. They offer various grades, sizes, and finishes to meet different customer needs.

Another Chinese manufacturer of galvanized truss head self-drilling screws is Alibaba.com, which offers a minimum order of 10,000 pieces. Their product is a roofing screw with a rubber washer, featuring a galvanized finish to resist corrosion.

Frequently asked questions