Are you tired of sifting through countless options for hex washer head self-drilling screws? With so many factories in China, finding the right supplier can feel overwhelming. Understanding the top manufacturers not only saves you time but also ensures you get quality products that meet your needs. Imagine having access to the best options that guarantee durability and performance for your projects. Ready to simplify your search and make informed decisions? Dive into our comprehensive comparison of the leading factories and discover the perfect fit for your requirements!

China Hex Washer Head Self-Drilling Screws with EPDM bonded washer …

Product Details: Hex Washer Head Self-Drilling Screws with EPDM bonded washer

Technical Parameters:
– Material: Carbon Steel
– Drive Type: Hex
– Product Length: 5/8″– 8″
– Screw Diameter (mm): ST4.2-ST6.3
– Thread Length: Fully Thread/Double Thread
– Washer: Steel + Bonded Washer
– Finish: Clear Zinc/Ruspert coating with different color
– Corrosion resistance class: C4
– Product Standard: GB/DIN7ANSI/BS/JIS
– Approvals: CE
– Suitable Use Type: Suitable for Outdoor Use

Application Scenarios:
– For light/medium duty purpose
– Stitch roof deck and wall panel sidelaps
– Residential steel frame construction
– Brick ties to steel framing

Pros:
– Built-in washer helps distribute load to a wider area
– Self-drilling feature eliminates the need for a pilot hole
– Precise cutting edges improve drill performance with less effort
– EPDM gasket provides better waterproof performance

Cons:
– Requires specific socket sizes for different screw types
– Limited to outdoor use applications

Hex Flange Head Self Drilling Screw With Single Washer – Meigesi

Product Details: Hex Flange Head Self Drilling Screw With Single Washer is a screw with a rubber/PVC washer, commonly used in applications that require high torque and a secure connection. The hexagonal head can be operated with a hexagonal wrench or screwdriver. There is a grooved flange under the screw head to help distribute the load and improve the stability of the connection. The screw comes with a drill bit, which can be directly drilled into the material and fixed without pre-drilling.

Technical Parameters:
– Material: C1022A
– Surface Treatment: Yellow Zinc Plated
– Head Type: Hexagonal Head
– Washer: Rubber/PVC
– Tail Type: Self Drilling Point
– Diameter: All Size
– Length: 16mm-152mm

Application Scenarios:
– Building Insulation: Primarily used in the installation of thermal insulation sy…
– External Wall Insulation: Often used in External Thermal Insulation Composite Sy…

Pros:
– High torque and secure connection.
– No pre-drilling required.

Cons:
– Limited to specific applications.
– May not be suitable for all materials.

The Ultimate Guide To China’s Yellow Hex Washer Head Screws

Product Details: China yellow hex washer head self-drilling screw made from carbon C1022 steel or 410 stainless steel, available in various colors including yellow zinc.

Technical Parameters:
– Diameter: 3.5mm to 6.3mm (#8 to #14)
– Length: 0.5 inches to 2 inches

Application Scenarios:
– Fastening brackets and components to steel
– Used in solar panel mounting systems and roofing

Pros:
– No need for pre-drilling, saving time
– Superior corrosion resistance in stainless steel

Cons:
– Zinc-plated steel not suitable for marine or high-humidity environments
– Stainless steel is more expensive and requires special tools

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Frequently Asked Questions (FAQs)

What are hex washer head self-drilling screws used for?

Hex washer head self-drilling screws are commonly used in construction and manufacturing for fastening metal to metal or metal to wood. Their unique design allows them to drill their own hole, making installation quicker and easier.

Why should I choose a factory in China for these screws?

Choosing a factory in China can offer competitive pricing, high production capacity, and access to advanced manufacturing technologies. Many Chinese factories specialize in fasteners, ensuring quality and efficiency in production.

How do I ensure the quality of screws from a Chinese factory?

To ensure quality, request samples before placing a large order, check for certifications like ISO, and consider visiting the factory if possible. Establishing clear quality standards in your contract can also help.

What is the typical lead time for orders?

Lead times can vary, but typically, you can expect around 2 to 4 weeks for production, depending on the order size and factory workload. Always confirm lead times with the factory before placing your order.

Can I customize the screws according to my specifications?

Yes, most factories in China offer customization options for hex washer head self-drilling screws, including size, material, and coating. Be sure to communicate your specific requirements clearly to the manufacturer.