Carbon Steel Csk Self-Drilling Screw

• Customization: Available
• Standard: DIN, GB, ISO
• Type: Countersunk Head
• Model NO.: Countersunk Head Self-Drilling Screw
• Material: Carbon Steel
• MOQ: 2tons
• Customized: Available
• Transport Package: Box
• Specification: 3.5/4.2/4.8
• Trademark: Dahe
• Origin: China
• HS Code: 731814
• Production Capacity: 60000 Tons/Year

Product Description

Flat head self drilling screw

The Countersunk Head Self-Drilling Screw with Ribs is designed for high-strength fastening applications, suitable for securing metal, wood, plastic, and other materials. Combining self-drilling, self-tapping, and firm locking features, this screw is widely used in construction, furniture manufacturing, steel structures, and photovoltaic installations.

Product Features:
1.Countersunk Head Design
The countersunk head screw sits flush post-installation, offering a clean finish ideal for sleek surfaces like furniture and decor.
2.Reinforced Ribs
Ribs under the head boost self-tapping, ease penetration, prevent thread stripping, and enhance locking strength for a secure connection.
3.Self-Drilling Tip
The drill point ensures direct penetration, boosting installation efficiency. It's suitable for fastening various material combinations quickly and stably.

Applications:
1.Construction Industry: Used for connecting metal sheets, wood, and other materials in interior and exterior construction.
2.Furniture Manufacturing: Ideal for assembling wooden components and plywood, ensuring a firm hold.
3.Photovoltaic Industry: Applied in solar panel mounting systems for a durable and efficient fastening solution.
4.Home Appliance Manufacturing: Used for assembling appliance casings, ensuring stability and long-term performance.
Mechanical Properties

Surface Treatment Options:
To enhance corrosion resistance and adaptability to various environments, the available surface treatments include:
Zinc Plating (White, Blue-White, Yellow, Black Zinc): Enhances oxidation resistance, suitable for indoor and mildly humid conditions.
Dacromet Coating: Provides superior corrosion resistance, ideal for outdoor, marine, and high-humidity environments.
Hot-Dip Galvanizing: Recommended for heavy corrosion environments, such as bridges, steel structures, and large-scale engineering projects.