High Quality Reinforced Ribs Screw Self Tapping Fast Penetration Corrosion Resistance Screw

• Customization: Available
• Material: Stainless Steel
• Shape of Head: Round
• Surface Finishing: Zinc Plated
• Certification: ISO
• Customized: Customized
• Applications: Construction Industry ,Photovoltaic Industry Ect.
• MOQ: 2 Ton
• Core Hardness: Hv240-Hv450
• Surface Hardness: Hv560-Hv750
• Transport Package: Box
• Trademark: SOLIDEX
• Origin: China
• HS Code: 731814
• Production Capacity: 800 Tons Per Month

Product Description

Product Description

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

 

Mechanical Properties
Core Hardness	HV240-HV450
Surface Hardness	HV560-HV750
Thread Pitch	Precisely controlled for smooth threading
Thread Angle	30°-45°

 

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.

Main Products

Our main products include Screw, Self Drilling Screw, Self Tapping Screw, Roofing Screw, Bi-Metal Screw, Hex Flange/Washer Screw, Nylon Hex Washer Head, Painted System, Wood Screw, Stainless Steel Screw.

Production Process

Company Profile

Shenzhen Dahe Industry Co., Ltd., established in 2003, is one of China's leading manufacturers of Self-Drilling Screws. Located in Yongnian District, Handan City, Hebei Province, our factory covers an area of 400,000 square meters and employs over 1,000 staff. Equipped with seven laboratories and a professional quality control team of more than 150 members, we are dedicated to providing high-quality, innovative, and cost-effective solutions for customers worldwide.
As the first company in China to fully automate the production of self-drilling screws, we maintain full control over every production stage, from raw material sourcing to manufacturing, heat treatment, and surface finishing, ensuring premium product quality. With an annual production capacity exceeding 80,000 tons, we handle large orders and customized products across industries like construction, automotive, and photovoltaics. Our products are widely praised by global customers.

Exhibition Photos

Our Partners and Customers

Certifications

Dahe holds multiple international certifications, including ISO9001 and CE, and adheres to global standards such as DIN, AS, and ASE to ensure the reliability and stability of our products in the international market.

Packaging & Shipping