Material	Stainless steel 304,201,410,430,316
Standard	DIN,JIS,AISI,GB,BSW,ISO
Size	M3.5-M5.5 or as clients requests
MOQ	customized products 100,000 pcs, stock products no limit
Supply capacity	5,000,000 pcs per month
Delivery date	15-35days after receiving the payment
Packaging	Bulk cartons,small boxes, color boxes, trays or according to customer requirements
Payment method	T'T, L/C,Western Union
Trademark	Yi Feng
Certificate	IS09001, Material report
Surface treatment	Grinding and polishing
Application	Construction, manufacturing, furniture, automobile industry

Products Description

Countersunk head self drilling screw is a combination of drill bit and thread screw, its head design is countersunk head, easy to install. The screw head sinking into the surface of the connected piece to maintain the surface smooth and beautiful. At the same time, its tail has a drill function, which can drill and tap directly on the connected piece without pre-drilling. This feature greatly simplifies the installation process, especially in thin sheet metal and hardwood applications.

Advantages of Countersunk Head Self Drilling Screws:
1. Aesthetics: The countersunk head design enables the screw head to sink into the surface of the connected part, without forming obvious bumps, thus maintaining the surface smooth and beautiful. This is especially important for occasions that require a clean appearance, such as the appearance of buildings, furniture surfaces, etc.
2. Simplified installation: The drilling function allows the screw to drill and tap directly on the connected part, without the need for pre-drilling, thus simplifying the installation process and improving work efficiency. This is particularly beneficial in scenarios where a large number of connection operations are required.
3. Self-tapping fastening: countersunk head self drilling screws have self-tapping ability, which can easily form a tight connection in the sheet material. This characteristic makes them especially suitable for the connection of metal plates, plastic plates and other materials.
4. Wide range of application: Due to its unique design and function, countersunk head self drilling screws are widely used in construction, manufacturing, furniture and other fields to meet the connection needs of different occasions.

Size

product-790-372

Products Application

Countersunk Head Self Drilling Screws are widely used in many fields, mainly including the following aspects:
1. Construction industry, especially in steel construction. Countersunk Head Self Drilling Screws are commonly used to join metal members and secure lightweight structures.
2. Decorative decoration: Because of the flat installation effect of Countersunk Head Self Drilling Screws, it is often used for decorative items with appearance requirements, such as aluminum curtain wall and metal decorative panels.
3. Home decoration: Countersunk Head Self Drilling Screws are used to install doors and Windows, cabinets, furniture hardware and other parts, especially in the joint of metal and wood.
4. Home appliances.Countersunk Head Self Drilling Screws are commonly used to secure the shell of home appliances and electrical equipment.
5. Automobile industry: Countersunk Head Self Drilling Screws are used for the installation of automotive interior decoration and metal parts, such as fixing automotive interior decoration and panels.

When choosing to use, it is necessary to weigh and consider according to specific needs and conditions, such as the thickness of the material, the size of the aperture, the strength requirements of the fastening, etc., to ensure the reliability and durability of the connection.

FAQ

Q: What are the materials of Countersunk Head Self Drilling Screws?

A: Countersunk Head Self Drilling Screws are usually made of carbon steel or stainless steel, and carbon steel screws are often galvanized to enhance corrosion resistance.

Q: What is the suitable substrate for Countersunk Head Self Drilling Screws?

A: Countersunk Head Self Drilling Screws are mainly used for metal substrates, such as steel, aluminum, and sheet joints, but also for some wood and composite materials.

Q: How do I install Countersunk Head Self Drilling Screws?

A: When installing Countersunk Head Self Drilling Screws, there is no need to drill the screws in advance, and the screws are directly drilled into the material with an electric tool. A certain pressure and a stable speed should be maintained.

Q: What are the benefits of countersunk design?

A: The countersunk design makes the screw head flush with the surface of the material, providing a smooth and beautiful appearance while reducing the risk of scratching external objects.

Q: What is the difference between self-tapping and self-drilling?

A: The self-drilling function means that the screw can drill into the material by itself during installation; Self-tapping means that the screw will form its own thread when it is drilled into the material.

Q: What are the common problems with Countersunk Head Self Drilling Screws?

A: Common problems when installing Countersunk Head Self Drilling Screws include slipping, excessive drilling, or damage to the head.These problems are usually related to the use of tools and installation methods.

Q: What is the MOQ?

A: The MOQ varies according to the product type and specifications. Normally, our stock products without MOQ. For specific projects, we can flexibly adjust according to customer needs.

Q: Can Countersunk Head Self Drilling Screws be used on materials with large thickness?

A: Countersunk Head Self Drilling Screws are suitable for thin metal materials, if you want to use thick materials, it is recommended to choose longer screws or pre-drilling to ensure a strong connection.

Q: What after-sales service do you offer?

A: We provide a comprehensive after-sales service, including technical support, product replacement and return processing. If you encounter any problems during use, please feel free to contact our customer service team and we will solve the problem for you as soon as possible.

Q: Why does the drilling process sometimes produce metal chips?

A: The production of metal chips is a normal phenomenon, especially when the self-drilling function is driven into the metal material, it will cut off a part of the material to form a hole.

why choose us?

1.We are both factory and trading company,best production and best quality control.

2.Service advantage: perfect after-sales service and quick response to customers, providing the best price/performance ratio at the most reasonable price.
3.OEM/ODM/ customized services.
4.100%QC inspection before shipment.
5.No strict MQQ limitation for conventional items.

one-stop solution

professional team

high quality

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