Sanwei:Your Professional Round Head Screws Manufacturer!
Hebei Sanwei Fasteners Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sale of fasteners, located in Hebei Province, China. Since its establishment,wei has been committed to providing customers with high-quality, high-performance fastener solutions, which are widely used in various fields such as construction, machinery manufacturing, automobile, and power communication.
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![Round Head Cap Screw]()
Round Head Cap ScrewStandard: DIN7981. Name: Round head screws with cap. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8 -
![Stainless Steel Round Head Screws]()
Stainless Steel Round Head ScrewsStandard: DIN7981. Name: Stainless steel round head screws. Material: 304, 316 stainless steel. Grade: A2-70, A4-70 -
![Black Round Head Screws]()
Black Round Head ScrewsStandard: DIN7981. Name: Black round head screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8 -
![Round Head Wood Screws]()
Round Head Wood ScrewsStandard: DIN7996. Name: Round head wood screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, 5.8, 8.8 -
![Round Screws]()
Round ScrewsStandard: DIN7050. Name: Round head screws. Material: carbon steel and alloy steel, etc.. Grade: Grade 4.8, 5.8, 8.8
Why Choose Us
OEM/ODM Service
Our customised fasteners are made to your special requirements. It can be fully threaded or partially threaded, and the thread, driving method, material, length, head shape, plating and all these can be specially designed according to your needs.
Good CNC machining technology
From material selection to finished products, Handan Sanwei provides you with comprehensive solutions when it comes to customised fasteners. The fasteners we make are high precision and strong. No matter what kind of precision you need, we can meet it and guarantee your satisfaction.
Strong engineering design team
Our company has an excellent and professional engineering team, and a number of technicians are elites in the industry. The staff always strives to explore new methods and technologies. From the selection of metals and special alloy materials to the finished fasteners, we can solve all aspects of the whole project engineering.
Professional Testing Laboratory
Quality assurance and testing is an important part of producing fasteners. Handan Sanwei has a specialised quality testing laboratory with spectrometers, hardness testers, tensile testers, salt spray test chambers and other equipment, where raw materials and final products are strictly tested. In addition, the company also has experienced testing experts who use professional methods to comprehensively test the fasteners and finally give you a detailed test report.
Digital Quality Control System
We rely on our self-developed full-process digital quality inspection system to strictly control every step from raw materials entering the factory to finished products being shipped. This system will always monitor the quality of the products to ensure that each batch of products meets the industry standards and complies with customer requirements. In addition, it collects and feeds back data in real time, giving you a clear understanding of product quality.
Advantages of Round Head Screws
Aesthetics
One of the most significant benefits of round head screws is their aesthetic appeal. The smooth, polished appearance of the rounded head enhances the overall design of finished products. This is particularly important in applications where the screw is visible and contributes to the final look of the item, such as in high-end furniture or decorative metalwork.
Easy to use
Round head screws are also appreciated for their ease of use. They are straightforward to install and remove, making them a convenient choice for both professionals and DIY enthusiasts. The compatibility with various tools and drives further simplifies the installation process, allowing for efficient and effective use.
Durability and strength
Durability and strength are other notable advantages of round head screws. They are designed to withstand significant loads and resist wear over time. This makes them suitable for applications that demand long-lasting performance and reliability. The resistance to corrosion, especially in coated and stainless steel variants, ensures that round head screws maintain their integrity in challenging environments.
Countersunk head design
Another advantage of round head screws is that they can be countersunk, which means they are screwed below the surface of the material. This allows the screw to be hidden with a wooden or plastic plug, creating a seamless and polished surface. The countersunk head design also prevents the screw head from protruding, reducing the risk of snagging or getting stuck in the surface.
Specification
|
Standard |
DIN |
|
Name |
Round Head Screws |
|
Material |
Carbon steel and alloy steel, Stainless Steel |
|
Grade |
Grade 4.8, Grade 5.8, Grade 8.8 |
|
Nominal diameter |
M2-M20 |
|
Pitch |
0.4-2.5 |
|
Surface treatment |
ZP,YZ,BLACK,nickel-plated,passivated, polished |
Application of Round Head Screws
Furniture Assembly:
Round head screws are frequently employed in furniture assembly, providing a sleek and low-profile solution that enhances the aesthetics of the finished product.
Electronics Enclosures:
In electronic devices, round head screws are used to secure covers and enclosures, maintaining a smooth exterior while ensuring easy access for maintenance.
Automotive Interior Components:
Round head screws find application in automotive interiors, securing panels, trims, and other components where a neat and unobtrusive appearance is desired.
Consumer Electronics:
Many consumer electronic devices use round head screws for assembly, contributing to a clean and modern design while maintaining structural integrity.
Decorative Fixtures:
Round head screws are chosen for decorative fixtures and ornamental elements, providing a polished look while securely fastening components.
Building Construction:
Round head screws are widely used in the construction industry for various building applications. Whether it's framing, roofing, drywall installation, or general construction, these screws provide a versatile and reliable fastening solution. The sharp threads on the screw ensure a secure connection, making them ideal for construction projects.
Assembling Machinery:
Round head screws are essential in the machinery manufacturing industry for assembling different components of machines. Whether it's joining metal parts, securing panels, or attaching brackets, these screws provide a strong and secure fastening solution.
Components of Round Head Screws
A round head screw consists of several essential parts that contribute to its overall functionality:
Head
The head of a round head screw is circular in shape, featuring a flat top surface. This design allows for increased contact area and distributes the load evenly.
Drive
The drive is the part of the screw where the tool or driver is inserted to rotate and tighten the screw. Common drive types for round head screws include slotted, Phillips, and Torx.
Shank
The shank is the cylindrical body of the screw, extending from the bottom of the head to the tip. It provides stability and strength to the screw.
Thread
The thread is the helical structure that wraps around the shank. It allows the screw to grip into the material and create a secure fastening.
Manufacturing Process
The manufacturing process of round head screws involves several steps, ensuring precision and quality:
Material Selection: High-quality materials such as stainless steel, carbon steel, or alloy steel are chosen based on the specific requirements of the application. The material should possess characteristics like strength, corrosion resistance, and durability.
Cutting and Forming: The shank and head of the screw are formed through a cutting and forming process. This involves cutting the raw material into the desired length and then shaping it into the round head design.
Thread Rolling: The shank undergoes a thread rolling process to create the helical thread structure. This process ensures precision and accuracy in the thread formation, resulting in a smooth and secure fastening.
Heat Treatment: Heat treatment is often employed to enhance the mechanical properties of the screw, improving its strength and hardness. This process involves heating the screw to a specific temperature and then cooling it rapidly or gradually.
Surface Coating: To provide additional protection against corrosion and improve aesthetics, round head screws can undergo surface coating processes such as plating or coating with zinc, nickel, or other protective materials.
Quality Control: Before being released into the market, round head screws undergo rigorous quality control checks. These checks include dimensional measurements, thread accuracy, and overall integrity to ensure compliance with industry standards.
Packaging and Shipping
FAQ
We're professional round head screws manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized round head screws made in China here from our factory. Contact us for quotation.
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