Hot Products

Drywall screws, a key component in the fastener product line, feature a unique horn-shaped design. Available in two main types—double-line fine tooth drywall screws and single-line coarse tooth drywall screws—these products cater to different installation needs. The double-thread version is ideal for fastening gypsum boards to metal keels with a thickness of 0.8mm or less, while the coarse tooth variant is designed for use with wooden keels, As a leading supplier and factory in China, we specialize in a comprehensive range of drywall screws, essential for constructing lightweight partition walls and suspended ceiling systems. Trust our high-quality products for reliable and efficient installation in your building projects

Grade: 4.8, 8.8, 10.9, 12.9
Materials Available: Q235, 35K, 45K, 40Cr, 35Crmo, 42Crmo
Surface Treatments: Blackened, Electrogalvanized, Dacromet, Hot-dip Galvanized, and Galvanized options are available!

As a leading factory and suppliers in China, we offer a wide range of high-quality fasteners that meet various industrial standards. With grades ranging from 4.8 to 12.9 and a variety of materials, our products are designed for durability and performance. Our advanced surface treatments, including electrogalvanizing and hot-dip galvanizing, ensure optimal rust resistance and longevity. Partner with us for reliable supply and exceptional service!

Spring Washer Usage

,

In general bolt connections, it's essential to place flat washers under the bolt head and nut to enhance the pressure-bearing area. This ensures a more robust and secure connection.

,

For bolts and anchor bolts requiring anti-loosening features, utilizing a nut or a spring washer as part of the anti-loosening device is crucial. The spring washer should always be positioned on the nut side to maximize its effectiveness.

,

In applications where bolt connections experience dynamic loads or are critical components, spring washers should be installed as per design specifications, always on the nut side, ensuring durability and stability.

,

For I-beams and channel steels, inclined washers are recommended when implementing inclined plane connections. This configuration ensures that the bearing surfaces of both the nut and bolt head remain perpendicular to the screw, enhancing the overall load distribution.

,

This spring washer solution is provided by a leading manufacturer specializing in high-quality fastening products. As a reputable China supplier and factory, we are committed to delivering reliable components that meet the diverse needs of our customers.

Enhance your projects with our high-quality hot dip galvanized nuts, available in grades 4.8, 8.8, 10.9, and 12.9. Crafted from durable materials such as Q235, 35K, 45K, 40Cr, 35Crmo, and 42Crmo, these nuts are built to last. The hot dip galvanizing process involves immersing the nuts in molten zinc, creating a robust zinc coating that ensures superior corrosion resistance. As a leading supplier in China, our factory guarantees exceptional quality and reliability for all your fastening needs. Explore our range of surface treatments, including blackened, electrogalvanized, Dacromet, and more, to find the perfect solution for your applications.

Grade: 4.8, 8.8, 10.9, 12.9 | Materials: Q235, 35K, 45K, 40Cr, 35CrMo, 42CrMo | Surface Treatments: Blackened, Electrogalvanized, Dacromet, Hot-dip Galvanized, Galvanized, and more!

,

 

,

Hexagonal welded nuts are specialized hexagonal nuts designed specifically for welding applications. Characterized by their unique hexagonal shape, these nuts feature three welding points on one side for secure attachment, while the protrusion aids in precise positioning during the welding process. As a leading China supplier and factory of high-quality hexagonal welded nuts, we ensure the best materials and surface treatments to meet your industrial needs. Trust our expertise for reliable and durable welded nuts tailored for various applications.

Features and Functions of Flat Mats
Flat mats, also known as flat gaskets or flat seals, are essential components used in various applications where fasteners connect. These gaskets have a flat, plate-like design that serves to distribute the tightening force of connectors, thereby increasing the contact area and minimizing the risks of loosening and fatigue damage due to moisture. This effective sealing solution prevents leaks of water, gas, and oil. Typically made from high-quality materials such as metal or rubber, flat mats are engineered to withstand extreme temperatures, high pressures, and wear. As a leading China supplier and factory of flat gaskets, we ensure our products meet stringent quality standards for durability and reliability in demanding environments.

Explore our range of high-quality hexagon socket bolts manufactured according to German standards DIN 913, DIN 914, DIN 915, and DIN 91As leading suppliers based in China, our factory produces a variety of set screws to meet diverse industrial needs.

DIN 913 features a hexagonal flat end, ideal for precision applications. DIN 914 presents an internal hexagonal cone end design, perfect for specialized fastening requirements. DIN 915 showcases hexagonal convex end set screws, offering enhanced grip and stability, while DIN 916 provides hexagonal concave end set screws for unique applications. Trust our China-based factory for reliable and durable fasteners tailored to your specifications.

Grade: 4.8, 8.8, 10.9, 12.9. Material: Q235, 35K, 45K, 40Cr, 35Crmo, 42Crmo. Surface Treatment: Blackened, Electrogalvanized, Dacromet, Hot-dip Galvanized, and Galvanized options available!

,

Rivet nuts, also known as pull rivet nuts or pull caps, are essential fasteners utilized in various industries, including the manufacturing of metal sheets, pipes, and more. These products are widely adopted in the assembly of electromechanical and light industrial items such as automobiles, aviation, railways, refrigeration systems, elevators, switches, instruments, furniture, and decorative items. Designed to overcome common issues faced with metal sheets and thin tubes—such as nut melting, substrate welding deformation, and internal thread slippage—our rivet nuts eliminate the need for internal threading and welding. This effective solution enhances riveting efficiency and offers user-friendly application. As a leading supplier and factory in China, we provide high-quality rivet nuts to meet the needs of various manufacturing sectors.

Discover premium quality products made in China from leading suppliers. Our factory is committed to excellence, providing a wide range of innovative solutions that meet the highest industry standards. By sourcing directly from China, we ensure competitive pricing and superior craftsmanship. Partner with us today to experience unmatched reliability and efficiency in all your manufacturing needs. Choose our factory for all your product requirements and see the difference our quality can make

Grade: 4.8, 8.8, 10.9, 12.9 | Material: Q235, 35K, 45K, 40Cr, 35Crmo, 42Crmo | Surface Treatment: Blackened, Electrogalvanized, Dacromet, Hot-dip Galvanized, Galvanized, etc.

,

As a leading supplier of nuts in China, we provide high-quality fasteners equipped with internal threads designed to work seamlessly with bolts and screws. Our nuts are essential components that facilitate the transmission of motion and power in various mechanical applications. Sourced from our advanced factory, our nuts meet stringent quality standards and are available in multiple grades and surface treatments to fit your specific needs. Choose our products for reliability and superior performance in your projects.

Discover high-quality fully threaded hexagonal bolts in compliance with the DIN 933 standard, available in grades A and B. Our bolts feature thread diameters ranging from M1.6 to M52 and are manufactured in various materials such as Q235, 35K, 45K, 40Cr, 20Mn Tib, 35Crmo, and 42Crmo. Choose from a variety of surface treatments, including blackened, electrogalvanized, Dacromet, hot-dip galvanized, and standard galvanized options.

For Grade A products, the specifications include a thread diameter (d) of up to 24mm with lengths (l) that adhere to the limits of 10d or 150mm (whichever is smaller). Grade B products accommodate larger dimensions, featuring a diameter exceeding 24mm or lengths beyond 10d or 150mm (whichever is smaller). We ensure precise manufacturing standards that cater to the specific values for opposite edges (s), diagonal (e), thickness (k), and length tolerances.

As a leading factory and supplier from China, we pride ourselves on delivering exceptional products that meet international standards. Enhance your projects with our durable and reliable hexagonal bolts today!

Discover our high-quality flange bolts, manufactured in China by trusted suppliers and factories. Our flange bolts come in various grades, including 4.8, 8.8, 10.9, and 12.9, providing options for different strength requirements. Made from durable materials such as Q235, 35K, 45K, 40Cr, 20Mn Tib, 35Crmo, and 42Crmo, these bolts ensure reliability in various applications. We offer a range of surface treatments, including blackened, electrogalvanized, Dacromet, hot-dip galvanized, and standard galvanized finishes, enhancing corrosion resistance and longevity, A flange bolt features an integrated design that combines a hexagonal head with a flange plate, effectively securing parts that connect through holes. It works in conjunction with a nut to ensure firm fastening and stability. For premium flange bolts tailored to your specifications, choose our China factory as your go-to supplier.