Stainless Steel Cement Board Screws
Weight Range ： 0.5g–500kg
Dimensional tolerance ： ±0.1mm
Stainless steel cement board screws are high performance fasteners for modern construction. It uses A2-70 or A4-80 grade stainless steel. Its tensile strength is as high as 700 to 800 MPa. This ensures that every connection point is strong and reliable. High-quality products can be red rust-free for more than 72 hours in salt spray tests. This gives excellent durability. The unique self-tapping drill bit can penetrate 1.2mm steel plate in about 2 seconds. The installation efficiency is thus greatly improved.
This screw also offers excellent versatility. Its threads can produce over 1500 Newtons of pullout resistance in base materials such as pine. It can adapt to mixed structure construction. At the same time, the optimized shear resistance can withstand static shear forces in excess of 5,000 Newtons. This can effectively resist dynamic loads such as wind vibration. It provides long-term and stable safety guarantee for the building envelope system.
Drawing Design & Confirm
Obtain drawings from customers or create drawings based on their specifications or samples.
The drawings, product raw materials, surface treatment, and other details are attested to by both parties.
Advantages
High mechanical strength
High-quality screws undergo strict heat treatment and have a mechanical grade of A2-70 or A4-80. This represents a tensile strength of 700 to 800 MPa. Each square millimeter of section can withstand about 70-80 kilograms of tensile force.
The core hardness remains at HRC 45-50. Therefore, it can easily drill into G550 grade light steel keel or high-density cement board. The drill bit is not easy to wear and the fastening is firm and reliable.
Efficient design
The screw integrates drilling, tapping and screwing. The special drill tip can penetrate 1.2 mm thick galvanized steel plate in 1-2 seconds. No pre-drilling required.
The double thread increases the penetration speed by more than 30%. Chip removal is smooth and not easy to get clogged. Drilling and fixing are completed at one time, significantly improving construction efficiency.
Excellent compatibility
Screws are also suitable for wooden frames. Its self-tapping threads engage wood securely. For example, the pulling force of a #12×50mm screw in pine wood can exceed 1500 Newtons.
Meets the strength requirements of most partition walls and suspended ceilings. A single screw is suitable for a variety of base materials, reducing spare types at the construction site.
Excellent shear resistance
The screws are optimized to perform reliably in areas with frequent vibrations. High-quality A4-80 screws can pass 10⁷ alternating stress tests. Its shear resistance is also excellent.
The static shear force of a screw with a diameter of 5.5mm often exceeds 5000 Newtons. Provide lasting safety guarantee for dynamic load areas.
why choose us
Ultra high strength
- A2-70/A4-80 high-strength grade, superior pull-out force, ensuring safe and reliable structural connections.
Smooth and beautiful
- Precise countersunk head design ensures a flat surface after installation, providing a perfect base for subsequent decoration.
Professional and efficient
- The plum blossom drive groove design resists slipping, protects tools and improves installation efficiency and consistency.
Anti-seismic and anti-loosening
- The optimized thread and gasket design provides excellent vibration resistance and will not loosen after long-term use.
Price & Order
Make sure the order quantity is correct, provide a quote, and include all pertinent information.
Such as the conditions of payment, the terms of trade, the kind of packaging, etc.
Sample Approval
Make early prototypes and check that they correspond with the drawing.
Send to the customer for approval following internal approval.
Production & Shipping
When making the products, precisely follow the original drawings and samples.
It was carefully packaged and delivered to the clients after a final inspection.
Conclusion
With twenty years of industry experience, JOYEAR is a reputable hardware manufacturer. Through consistent, high-quality production, we have established a solid reputation and technical proficiency. Our staff offers solutions designed specifically to meet your needs. To make any unique custom designs a reality, we collaborate closely with you. In order to optimize purchasing value and operational efficiency, we also integrate and suggest related products based on your applications.
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