This is a highly efficient fastener that combines drilling, tapping, and tightening functions, suitable for quick connections between metal and metal, or metal and wood. It eliminates the need for pre-drilling during installation, significantly improving installation efficiency.
Our products combine stable material quality, consistent manufacturing precision, and reliable performance in real-world applications, helping customers achieve efficient installation, long service life, and dependable supply across different usage scenarios.
The selection of fasteners depends on the material type, load requirements, installation method, and working environment. Matching these factors helps ensure the strength and long-term performance of the fasteners. Please contact us, and I will help you plan a suitable solution.
Long-term partnerships help stabilize supply chains, improve efficiency, and create mutual growth through trust, experience, and continuous cooperation.
Countersunk Self Drilling Screw
Countersunk Self-Drilling Screws are made from 1022A carbon steel, designed for fast, secure, and efficient fastening without the need for pre-drilling. The countersunk head allows the screw to sit flush with the surface for a clean and professional finish. These screws are suitable for a variety of interior construction and furniture applications.
Material: 1022A carbon steel
Sizes:
M4.2 × 13mm
M4.2 × 16mm
M4.2 × 19mm
M4.2 × 25mm
M4.2 × 32mm
M4.2 × 38mm
M4.2 × 50mm
M4.2 × 60mm
M4.2 × 70mm
M4.2 × 80mm
M4.2 × 100mm
Drive type: Phillips
Head type: Countersunk
Type: Self-drilling screw
Self-drilling tip allows installation without pre-drilling
Countersunk head provides flush and neat installation
1022A carbon steel construction ensures strength and durability
Suitable for a wide range of furniture and drywall projects
Multiple sizes available to meet different fastening requirements
Ideal for furniture fixing, drywall installation, and other interior construction projects. Suitable for professional contractors and DIY applications.
Engineered for reliable performance and easy installation, these countersunk self drilling screws provide secure fastening and a clean, professional finish for a wide range of projects.
We are a modern manufacturing enterprise with over twenty years of industry experience, specializing in the research, development, production, and supply of fastener products.
Our fastening products are developed with a focus on real-world applications, manufacturing consistency, and long-term usability. By combining material quality, controlled production processes, and application-driven design, we deliver solutions that support stable performance across diverse industries and markets.
Stable manufacturing processes ensure uniform performance across batches and long-term orders.
Products are designed based on real usage scenarios, improving efficiency and reducing installation issues.
Carefully selected materials support strength, durability, and stable fastening performance.
Controlled tolerances and standardized production ensure compatibility with tools and systems.
Multiple finishes and specifications support different environments and market requirements.
Scalable production capacity ensures reliable delivery for both standard and customized orders.
Customer feedback is a direct reflection of product quality and service reliability. Over the years, we have built long-term partnerships with customers across different industries and markets. Their continued trust and repeat cooperation motivate us to maintain high standards in both manufacturing and service.
If you are looking for reliable fastening products, customized solutions, or long-term supply support, please leave your information below. Our team will review your request carefully and provide practical feedback based on your needs.